Home / 851,562.27-1,275,897.45-513,893.40

Finding the Fourth Proportional to 851,562.27, 1,275,897.45 and 513,893.40

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Solution

The fourth proportional to 851,562.27, 1,275,897.45 and 513,893.40 is: 769,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,562.27 : 1,275,897.45 = 513,893.40 : x
  2. Step 2: Convert to fraction form
    851,562.27/1,275,897.45 = 513,893.40/x
  3. Step 3: Cross multiply
    851,562.27x = 1,275,897.45 × 513,893.40
  4. Step 4: Simplify right side
    851,562.27x = 655,675,278,631.83
  5. Step 5: Solve for x
    x = 655,675,278,631.83/851,562.27
  6. Step 6: Final answer
    x = 769,967.51

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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.