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Finding the Fourth Proportional to 477,530.16, 658,491.28 and 356,477.28

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Solution

The fourth proportional to 477,530.16, 658,491.28 and 356,477.28 is: 491,565.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,530.16 : 658,491.28 = 356,477.28 : x
  2. Step 2: Convert to fraction form
    477,530.16/658,491.28 = 356,477.28/x
  3. Step 3: Cross multiply
    477,530.16x = 658,491.28 × 356,477.28
  4. Step 4: Simplify right side
    477,530.16x = 234,737,180,398.12
  5. Step 5: Solve for x
    x = 234,737,180,398.12/477,530.16
  6. Step 6: Final answer
    x = 491,565.14

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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.