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Finding the Fourth Proportional to 473,493.80, 710,240.70 and 296,546.60

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Solution

The fourth proportional to 473,493.80, 710,240.70 and 296,546.60 is: 444,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,493.80 : 710,240.70 = 296,546.60 : x
  2. Step 2: Convert to fraction form
    473,493.80/710,240.70 = 296,546.60/x
  3. Step 3: Cross multiply
    473,493.80x = 710,240.70 × 296,546.60
  4. Step 4: Simplify right side
    473,493.80x = 210,619,464,766.62
  5. Step 5: Solve for x
    x = 210,619,464,766.62/473,493.80
  6. Step 6: Final answer
    x = 444,819.90

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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.