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Finding the Fourth Proportional to 491,737.40, 737,606.10 and 434,000.60

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Solution

The fourth proportional to 491,737.40, 737,606.10 and 434,000.60 is: 651,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,737.40 : 737,606.10 = 434,000.60 : x
  2. Step 2: Convert to fraction form
    491,737.40/737,606.10 = 434,000.60/x
  3. Step 3: Cross multiply
    491,737.40x = 737,606.10 × 434,000.60
  4. Step 4: Simplify right side
    491,737.40x = 320,121,489,963.66
  5. Step 5: Solve for x
    x = 320,121,489,963.66/491,737.40
  6. Step 6: Final answer
    x = 651,000.90

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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.