Home / 530,046.33-731,442.49-288,329.18

Finding the Fourth Proportional to 530,046.33, 731,442.49 and 288,329.18

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Solution

The fourth proportional to 530,046.33, 731,442.49 and 288,329.18 is: 397,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,046.33 : 731,442.49 = 288,329.18 : x
  2. Step 2: Convert to fraction form
    530,046.33/731,442.49 = 288,329.18/x
  3. Step 3: Cross multiply
    530,046.33x = 731,442.49 × 288,329.18
  4. Step 4: Simplify right side
    530,046.33x = 210,896,215,340.17
  5. Step 5: Solve for x
    x = 210,896,215,340.17/530,046.33
  6. Step 6: Final answer
    x = 397,882.61

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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.