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Finding the Fourth Proportional to 721,478.28, 995,460.84 and 466,522.68

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Solution

The fourth proportional to 721,478.28, 995,460.84 and 466,522.68 is: 643,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,478.28 : 995,460.84 = 466,522.68 : x
  2. Step 2: Convert to fraction form
    721,478.28/995,460.84 = 466,522.68/x
  3. Step 3: Cross multiply
    721,478.28x = 995,460.84 × 466,522.68
  4. Step 4: Simplify right side
    721,478.28x = 464,405,058,911.85
  5. Step 5: Solve for x
    x = 464,405,058,911.85/721,478.28
  6. Step 6: Final answer
    x = 643,685.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.