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Finding the Fourth Proportional to 488,052.30, 732,078.45 and 429,003.30

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Solution

The fourth proportional to 488,052.30, 732,078.45 and 429,003.30 is: 643,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,052.30 : 732,078.45 = 429,003.30 : x
  2. Step 2: Convert to fraction form
    488,052.30/732,078.45 = 429,003.30/x
  3. Step 3: Cross multiply
    488,052.30x = 732,078.45 × 429,003.30
  4. Step 4: Simplify right side
    488,052.30x = 314,064,070,908.89
  5. Step 5: Solve for x
    x = 314,064,070,908.89/488,052.30
  6. Step 6: Final answer
    x = 643,504.95

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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.