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Finding the Fourth Proportional to 608,052.10, 912,078.15 and 384,103.30

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Solution

The fourth proportional to 608,052.10, 912,078.15 and 384,103.30 is: 576,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,052.10 : 912,078.15 = 384,103.30 : x
  2. Step 2: Convert to fraction form
    608,052.10/912,078.15 = 384,103.30/x
  3. Step 3: Cross multiply
    608,052.10x = 912,078.15 × 384,103.30
  4. Step 4: Simplify right side
    608,052.10x = 350,332,227,272.90
  5. Step 5: Solve for x
    x = 350,332,227,272.90/608,052.10
  6. Step 6: Final answer
    x = 576,154.95

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Similar ratio
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1.5x scale

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.