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Finding the Fourth Proportional to 653,716.10, 902,235.29 and 544,647.48

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Solution

The fourth proportional to 653,716.10, 902,235.29 and 544,647.48 is: 751,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,716.10 : 902,235.29 = 544,647.48 : x
  2. Step 2: Convert to fraction form
    653,716.10/902,235.29 = 544,647.48/x
  3. Step 3: Cross multiply
    653,716.10x = 902,235.29 × 544,647.48
  4. Step 4: Simplify right side
    653,716.10x = 491,400,170,958.95
  5. Step 5: Solve for x
    x = 491,400,170,958.95/653,716.10
  6. Step 6: Final answer
    x = 751,702.72

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Why These Related Problems?

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