Home / 878,515.68-1,211,883.52-534,456.48

Finding the Fourth Proportional to 878,515.68, 1,211,883.52 and 534,456.48

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Solution

The fourth proportional to 878,515.68, 1,211,883.52 and 534,456.48 is: 737,265.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,515.68 : 1,211,883.52 = 534,456.48 : x
  2. Step 2: Convert to fraction form
    878,515.68/1,211,883.52 = 534,456.48/x
  3. Step 3: Cross multiply
    878,515.68x = 1,211,883.52 × 534,456.48
  4. Step 4: Simplify right side
    878,515.68x = 647,699,000,269.21
  5. Step 5: Solve for x
    x = 647,699,000,269.21/878,515.68
  6. Step 6: Final answer
    x = 737,265.16

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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.