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Finding the Fourth Proportional to 502,546.70, 753,820.05 and 478,052.30

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Solution

The fourth proportional to 502,546.70, 753,820.05 and 478,052.30 is: 717,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,546.70 : 753,820.05 = 478,052.30 : x
  2. Step 2: Convert to fraction form
    502,546.70/753,820.05 = 478,052.30/x
  3. Step 3: Cross multiply
    502,546.70x = 753,820.05 × 478,052.30
  4. Step 4: Simplify right side
    502,546.70x = 360,365,408,688.62
  5. Step 5: Solve for x
    x = 360,365,408,688.62/502,546.70
  6. Step 6: Final answer
    x = 717,078.45

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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.