Home / 741,017.72-1,022,591.14-418,720.86

Finding the Fourth Proportional to 741,017.72, 1,022,591.14 and 418,720.86

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Solution

The fourth proportional to 741,017.72, 1,022,591.14 and 418,720.86 is: 577,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,017.72 : 1,022,591.14 = 418,720.86 : x
  2. Step 2: Convert to fraction form
    741,017.72/1,022,591.14 = 418,720.86/x
  3. Step 3: Cross multiply
    741,017.72x = 1,022,591.14 × 418,720.86
  4. Step 4: Simplify right side
    741,017.72x = 428,180,240,522.38
  5. Step 5: Solve for x
    x = 428,180,240,522.38/741,017.72
  6. Step 6: Final answer
    x = 577,827.26

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Double scale
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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.