Home / 773,877.92-1,067,999.32-515,311.52

Finding the Fourth Proportional to 773,877.92, 1,067,999.32 and 515,311.52

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Solution

The fourth proportional to 773,877.92, 1,067,999.32 and 515,311.52 is: 711,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,877.92 : 1,067,999.32 = 515,311.52 : x
  2. Step 2: Convert to fraction form
    773,877.92/1,067,999.32 = 515,311.52/x
  3. Step 3: Cross multiply
    773,877.92x = 1,067,999.32 × 515,311.52
  4. Step 4: Simplify right side
    773,877.92x = 550,352,352,948.17
  5. Step 5: Solve for x
    x = 550,352,352,948.17/773,877.92
  6. Step 6: Final answer
    x = 711,161.72

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1.5x scale

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.