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Finding the Fourth Proportional to 546,098.70, 819,148.05 and 521,604.30

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Solution

The fourth proportional to 546,098.70, 819,148.05 and 521,604.30 is: 782,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,098.70 : 819,148.05 = 521,604.30 : x
  2. Step 2: Convert to fraction form
    546,098.70/819,148.05 = 521,604.30/x
  3. Step 3: Cross multiply
    546,098.70x = 819,148.05 × 521,604.30
  4. Step 4: Simplify right side
    546,098.70x = 427,271,145,216.62
  5. Step 5: Solve for x
    x = 427,271,145,216.62/546,098.70
  6. Step 6: Final answer
    x = 782,406.45

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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.