Home / 729,591.87-1,006,732.67-407,294.90

Finding the Fourth Proportional to 729,591.87, 1,006,732.67 and 407,294.90

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Solution

The fourth proportional to 729,591.87, 1,006,732.67 and 407,294.90 is: 562,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,591.87 : 1,006,732.67 = 407,294.90 : x
  2. Step 2: Convert to fraction form
    729,591.87/1,006,732.67 = 407,294.90/x
  3. Step 3: Cross multiply
    729,591.87x = 1,006,732.67 × 407,294.90
  4. Step 4: Simplify right side
    729,591.87x = 410,037,075,084.25
  5. Step 5: Solve for x
    x = 410,037,075,084.25/729,591.87
  6. Step 6: Final answer
    x = 562,008.83

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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.