Home / 853,757.70-1,279,254.15-537,648.90

Finding the Fourth Proportional to 853,757.70, 1,279,254.15 and 537,648.90

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Solution

The fourth proportional to 853,757.70, 1,279,254.15 and 537,648.90 is: 805,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,757.70 : 1,279,254.15 = 537,648.90 : x
  2. Step 2: Convert to fraction form
    853,757.70/1,279,254.15 = 537,648.90/x
  3. Step 3: Cross multiply
    853,757.70x = 1,279,254.15 × 537,648.90
  4. Step 4: Simplify right side
    853,757.70x = 687,789,586,567.94
  5. Step 5: Solve for x
    x = 687,789,586,567.94/853,757.70
  6. Step 6: Final answer
    x = 805,602.79

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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.