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Finding the Fourth Proportional to 573,818.10, 860,727.15 and 474,090.90

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Solution

The fourth proportional to 573,818.10, 860,727.15 and 474,090.90 is: 711,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,818.10 : 860,727.15 = 474,090.90 : x
  2. Step 2: Convert to fraction form
    573,818.10/860,727.15 = 474,090.90/x
  3. Step 3: Cross multiply
    573,818.10x = 860,727.15 × 474,090.90
  4. Step 4: Simplify right side
    573,818.10x = 408,062,909,197.94
  5. Step 5: Solve for x
    x = 408,062,909,197.94/573,818.10
  6. Step 6: Final answer
    x = 711,136.35

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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.