Home / 735,565.80-1,015,081.70-413,275.71

Finding the Fourth Proportional to 735,565.80, 1,015,081.70 and 413,275.71

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Solution

The fourth proportional to 735,565.80, 1,015,081.70 and 413,275.71 is: 570,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,565.80 : 1,015,081.70 = 413,275.71 : x
  2. Step 2: Convert to fraction form
    735,565.80/1,015,081.70 = 413,275.71/x
  3. Step 3: Cross multiply
    735,565.80x = 1,015,081.70 × 413,275.71
  4. Step 4: Simplify right side
    735,565.80x = 419,508,608,209.13
  5. Step 5: Solve for x
    x = 419,508,608,209.13/735,565.80
  6. Step 6: Final answer
    x = 570,320.98

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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.