Home / 791,345.28-1,092,057.84-428,769.12

Finding the Fourth Proportional to 791,345.28, 1,092,057.84 and 428,769.12

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Solution

The fourth proportional to 791,345.28, 1,092,057.84 and 428,769.12 is: 591,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,345.28 : 1,092,057.84 = 428,769.12 : x
  2. Step 2: Convert to fraction form
    791,345.28/1,092,057.84 = 428,769.12/x
  3. Step 3: Cross multiply
    791,345.28x = 1,092,057.84 × 428,769.12
  4. Step 4: Simplify right side
    791,345.28x = 468,240,679,045.90
  5. Step 5: Solve for x
    x = 468,240,679,045.90/791,345.28
  6. Step 6: Final answer
    x = 591,702.12

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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.