Home / 732,521.67-1,099,046.77-390,605.48

Finding the Fourth Proportional to 732,521.67, 1,099,046.77 and 390,605.48

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Solution

The fourth proportional to 732,521.67, 1,099,046.77 and 390,605.48 is: 586,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,521.67 : 1,099,046.77 = 390,605.48 : x
  2. Step 2: Convert to fraction form
    732,521.67/1,099,046.77 = 390,605.48/x
  3. Step 3: Cross multiply
    732,521.67x = 1,099,046.77 × 390,605.48
  4. Step 4: Simplify right side
    732,521.67x = 429,293,688,787.98
  5. Step 5: Solve for x
    x = 429,293,688,787.98/732,521.67
  6. Step 6: Final answer
    x = 586,049.13

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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.