Home / 781,065.90-1,171,598.85-282,313.26

Finding the Fourth Proportional to 781,065.90, 1,171,598.85 and 282,313.26

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Solution

The fourth proportional to 781,065.90, 1,171,598.85 and 282,313.26 is: 423,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,065.90 : 1,171,598.85 = 282,313.26 : x
  2. Step 2: Convert to fraction form
    781,065.90/1,171,598.85 = 282,313.26/x
  3. Step 3: Cross multiply
    781,065.90x = 1,171,598.85 × 282,313.26
  4. Step 4: Simplify right side
    781,065.90x = 330,757,890,755.75
  5. Step 5: Solve for x
    x = 330,757,890,755.75/781,065.90
  6. Step 6: Final answer
    x = 423,469.89

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.