Home / 726,962.92-1,090,666.78-372,227.88

Finding the Fourth Proportional to 726,962.92, 1,090,666.78 and 372,227.88

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Solution

The fourth proportional to 726,962.92, 1,090,666.78 and 372,227.88 is: 558,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,962.92 : 1,090,666.78 = 372,227.88 : x
  2. Step 2: Convert to fraction form
    726,962.92/1,090,666.78 = 372,227.88/x
  3. Step 3: Cross multiply
    726,962.92x = 1,090,666.78 × 372,227.88
  4. Step 4: Simplify right side
    726,962.92x = 405,976,583,305.83
  5. Step 5: Solve for x
    x = 405,976,583,305.83/726,962.92
  6. Step 6: Final answer
    x = 558,455.70

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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.