Home / 752,959.68-1,039,101.12-413,429.28

Finding the Fourth Proportional to 752,959.68, 1,039,101.12 and 413,429.28

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Solution

The fourth proportional to 752,959.68, 1,039,101.12 and 413,429.28 is: 570,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,959.68 : 1,039,101.12 = 413,429.28 : x
  2. Step 2: Convert to fraction form
    752,959.68/1,039,101.12 = 413,429.28/x
  3. Step 3: Cross multiply
    752,959.68x = 1,039,101.12 × 413,429.28
  4. Step 4: Simplify right side
    752,959.68x = 429,594,827,888.79
  5. Step 5: Solve for x
    x = 429,594,827,888.79/752,959.68
  6. Step 6: Final answer
    x = 570,541.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.