Home / 865,551.28-1,194,438.72-483,580.90

Finding the Fourth Proportional to 865,551.28, 1,194,438.72 and 483,580.90

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Solution

The fourth proportional to 865,551.28, 1,194,438.72 and 483,580.90 is: 667,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,551.28 : 1,194,438.72 = 483,580.90 : x
  2. Step 2: Convert to fraction form
    865,551.28/1,194,438.72 = 483,580.90/x
  3. Step 3: Cross multiply
    865,551.28x = 1,194,438.72 × 483,580.90
  4. Step 4: Simplify right side
    865,551.28x = 577,607,751,212.45
  5. Step 5: Solve for x
    x = 577,607,751,212.45/865,551.28
  6. Step 6: Final answer
    x = 667,329.32

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Double scale
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Similar ratio
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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.