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Finding the Fourth Proportional to 495,645.80, 743,468.70 and 470,057.90

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Solution

The fourth proportional to 495,645.80, 743,468.70 and 470,057.90 is: 705,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,645.80 : 743,468.70 = 470,057.90 : x
  2. Step 2: Convert to fraction form
    495,645.80/743,468.70 = 470,057.90/x
  3. Step 3: Cross multiply
    495,645.80x = 743,468.70 × 470,057.90
  4. Step 4: Simplify right side
    495,645.80x = 349,473,335,837.73
  5. Step 5: Solve for x
    x = 349,473,335,837.73/495,645.80
  6. Step 6: Final answer
    x = 705,086.85

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Similar ratio
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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.