Home / 651,047.20-976,570.80-336,119.20

Finding the Fourth Proportional to 651,047.20, 976,570.80 and 336,119.20

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Solution

The fourth proportional to 651,047.20, 976,570.80 and 336,119.20 is: 504,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,047.20 : 976,570.80 = 336,119.20 : x
  2. Step 2: Convert to fraction form
    651,047.20/976,570.80 = 336,119.20/x
  3. Step 3: Cross multiply
    651,047.20x = 976,570.80 × 336,119.20
  4. Step 4: Simplify right side
    651,047.20x = 328,244,196,039.36
  5. Step 5: Solve for x
    x = 328,244,196,039.36/651,047.20
  6. Step 6: Final answer
    x = 504,178.80

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Double scale
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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.