Home / 840,725.66-1,160,229.42-458,773.40

Finding the Fourth Proportional to 840,725.66, 1,160,229.42 and 458,773.40

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Solution

The fourth proportional to 840,725.66, 1,160,229.42 and 458,773.40 is: 633,122.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,725.66 : 1,160,229.42 = 458,773.40 : x
  2. Step 2: Convert to fraction form
    840,725.66/1,160,229.42 = 458,773.40/x
  3. Step 3: Cross multiply
    840,725.66x = 1,160,229.42 × 458,773.40
  4. Step 4: Simplify right side
    840,725.66x = 532,282,389,992.28
  5. Step 5: Solve for x
    x = 532,282,389,992.28/840,725.66
  6. Step 6: Final answer
    x = 633,122.57

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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.