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Finding the Fourth Proportional to 545,862.60, 818,793.90 and 306,714.15

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Solution

The fourth proportional to 545,862.60, 818,793.90 and 306,714.15 is: 460,071.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,862.60 : 818,793.90 = 306,714.15 : x
  2. Step 2: Convert to fraction form
    545,862.60/818,793.90 = 306,714.15/x
  3. Step 3: Cross multiply
    545,862.60x = 818,793.90 × 306,714.15
  4. Step 4: Simplify right side
    545,862.60x = 251,135,675,063.69
  5. Step 5: Solve for x
    x = 251,135,675,063.69/545,862.60
  6. Step 6: Final answer
    x = 460,071.23

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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.