Home / 726,225.79-1,002,402.61-484,507.77

Finding the Fourth Proportional to 726,225.79, 1,002,402.61 and 484,507.77

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Solution

The fourth proportional to 726,225.79, 1,002,402.61 and 484,507.77 is: 668,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,225.79 : 1,002,402.61 = 484,507.77 : x
  2. Step 2: Convert to fraction form
    726,225.79/1,002,402.61 = 484,507.77/x
  3. Step 3: Cross multiply
    726,225.79x = 1,002,402.61 × 484,507.77
  4. Step 4: Simplify right side
    726,225.79x = 485,671,845,778.73
  5. Step 5: Solve for x
    x = 485,671,845,778.73/726,225.79
  6. Step 6: Final answer
    x = 668,761.50

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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.