Home / 810,456.20-1,214,597.63-630,758.61

Finding the Fourth Proportional to 810,456.20, 1,214,597.63 and 630,758.61

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Solution

The fourth proportional to 810,456.20, 1,214,597.63 and 630,758.61 is: 945,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,456.20 : 1,214,597.63 = 630,758.61 : x
  2. Step 2: Convert to fraction form
    810,456.20/1,214,597.63 = 630,758.61/x
  3. Step 3: Cross multiply
    810,456.20x = 1,214,597.63 × 630,758.61
  4. Step 4: Simplify right side
    810,456.20x = 766,117,914,384.99
  5. Step 5: Solve for x
    x = 766,117,914,384.99/810,456.20
  6. Step 6: Final answer
    x = 945,292.19

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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.