Home / 864,034.20-1,296,051.30-303,010.20

Finding the Fourth Proportional to 864,034.20, 1,296,051.30 and 303,010.20

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Solution

The fourth proportional to 864,034.20, 1,296,051.30 and 303,010.20 is: 454,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,034.20 : 1,296,051.30 = 303,010.20 : x
  2. Step 2: Convert to fraction form
    864,034.20/1,296,051.30 = 303,010.20/x
  3. Step 3: Cross multiply
    864,034.20x = 1,296,051.30 × 303,010.20
  4. Step 4: Simplify right side
    864,034.20x = 392,716,763,623.26
  5. Step 5: Solve for x
    x = 392,716,763,623.26/864,034.20
  6. Step 6: Final answer
    x = 454,515.30

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Half scale
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Double scale
Find fourth proportional to 864,035.20, 1,296,052.80 and 303,011.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.