Home / 902,761.50-1,245,810.87-500,353.50

Finding the Fourth Proportional to 902,761.50, 1,245,810.87 and 500,353.50

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Solution

The fourth proportional to 902,761.50, 1,245,810.87 and 500,353.50 is: 690,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,761.50 : 1,245,810.87 = 500,353.50 : x
  2. Step 2: Convert to fraction form
    902,761.50/1,245,810.87 = 500,353.50/x
  3. Step 3: Cross multiply
    902,761.50x = 1,245,810.87 × 500,353.50
  4. Step 4: Simplify right side
    902,761.50x = 623,345,829,142.55
  5. Step 5: Solve for x
    x = 623,345,829,142.55/902,761.50
  6. Step 6: Final answer
    x = 690,487.83

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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.