Home / 726,335.93-1,002,367.59-399,686.28

Finding the Fourth Proportional to 726,335.93, 1,002,367.59 and 399,686.28

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Solution

The fourth proportional to 726,335.93, 1,002,367.59 and 399,686.28 is: 551,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,335.93 : 1,002,367.59 = 399,686.28 : x
  2. Step 2: Convert to fraction form
    726,335.93/1,002,367.59 = 399,686.28/x
  3. Step 3: Cross multiply
    726,335.93x = 1,002,367.59 × 399,686.28
  4. Step 4: Simplify right side
    726,335.93x = 400,632,575,868.52
  5. Step 5: Solve for x
    x = 400,632,575,868.52/726,335.93
  6. Step 6: Final answer
    x = 551,580.28

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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.