Home / 729,099.60-1,006,248.32-423,110.28

Finding the Fourth Proportional to 729,099.60, 1,006,248.32 and 423,110.28

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Solution

The fourth proportional to 729,099.60, 1,006,248.32 and 423,110.28 is: 583,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,099.60 : 1,006,248.32 = 423,110.28 : x
  2. Step 2: Convert to fraction form
    729,099.60/1,006,248.32 = 423,110.28/x
  3. Step 3: Cross multiply
    729,099.60x = 1,006,248.32 × 423,110.28
  4. Step 4: Simplify right side
    729,099.60x = 425,754,008,424.73
  5. Step 5: Solve for x
    x = 425,754,008,424.73/729,099.60
  6. Step 6: Final answer
    x = 583,944.92

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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.