Home / 752,917.08-1,039,027.35-413,407.20

Finding the Fourth Proportional to 752,917.08, 1,039,027.35 and 413,407.20

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Solution

The fourth proportional to 752,917.08, 1,039,027.35 and 413,407.20 is: 570,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,917.08 : 1,039,027.35 = 413,407.20 : x
  2. Step 2: Convert to fraction form
    752,917.08/1,039,027.35 = 413,407.20/x
  3. Step 3: Cross multiply
    752,917.08x = 1,039,027.35 × 413,407.20
  4. Step 4: Simplify right side
    752,917.08x = 429,541,387,486.92
  5. Step 5: Solve for x
    x = 429,541,387,486.92/752,917.08
  6. Step 6: Final answer
    x = 570,502.91

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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.