Home / 840,724.16-1,160,227.35-458,771.90

Finding the Fourth Proportional to 840,724.16, 1,160,227.35 and 458,771.90

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Solution

The fourth proportional to 840,724.16, 1,160,227.35 and 458,771.90 is: 633,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,724.16 : 1,160,227.35 = 458,771.90 : x
  2. Step 2: Convert to fraction form
    840,724.16/1,160,227.35 = 458,771.90/x
  3. Step 3: Cross multiply
    840,724.16x = 1,160,227.35 × 458,771.90
  4. Step 4: Simplify right side
    840,724.16x = 532,279,699,990.33
  5. Step 5: Solve for x
    x = 532,279,699,990.33/840,724.16
  6. Step 6: Final answer
    x = 633,120.50

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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.