Home / 724,925.48-1,000,418.82-438,497.96

Finding the Fourth Proportional to 724,925.48, 1,000,418.82 and 438,497.96

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Solution

The fourth proportional to 724,925.48, 1,000,418.82 and 438,497.96 is: 605,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,925.48 : 1,000,418.82 = 438,497.96 : x
  2. Step 2: Convert to fraction form
    724,925.48/1,000,418.82 = 438,497.96/x
  3. Step 3: Cross multiply
    724,925.48x = 1,000,418.82 × 438,497.96
  4. Step 4: Simplify right side
    724,925.48x = 438,681,611,715.61
  5. Step 5: Solve for x
    x = 438,681,611,715.61/724,925.48
  6. Step 6: Final answer
    x = 605,140.29

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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.