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Finding the Fourth Proportional to 552,686.70, 829,030.05 and 487,368.30

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Solution

The fourth proportional to 552,686.70, 829,030.05 and 487,368.30 is: 731,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,686.70 : 829,030.05 = 487,368.30 : x
  2. Step 2: Convert to fraction form
    552,686.70/829,030.05 = 487,368.30/x
  3. Step 3: Cross multiply
    552,686.70x = 829,030.05 × 487,368.30
  4. Step 4: Simplify right side
    552,686.70x = 404,042,966,117.42
  5. Step 5: Solve for x
    x = 404,042,966,117.42/552,686.70
  6. Step 6: Final answer
    x = 731,052.45

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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.