Home / 840,793.80-1,160,320.12-458,845.22

Finding the Fourth Proportional to 840,793.80, 1,160,320.12 and 458,845.22

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Solution

The fourth proportional to 840,793.80, 1,160,320.12 and 458,845.22 is: 633,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,793.80 : 1,160,320.12 = 458,845.22 : x
  2. Step 2: Convert to fraction form
    840,793.80/1,160,320.12 = 458,845.22/x
  3. Step 3: Cross multiply
    840,793.80x = 1,160,320.12 × 458,845.22
  4. Step 4: Simplify right side
    840,793.80x = 532,407,340,731.83
  5. Step 5: Solve for x
    x = 532,407,340,731.83/840,793.80
  6. Step 6: Final answer
    x = 633,219.87

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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.