Home / 891,982.53-1,337,984.73-260,909.10

Finding the Fourth Proportional to 891,982.53, 1,337,984.73 and 260,909.10

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Solution

The fourth proportional to 891,982.53, 1,337,984.73 and 260,909.10 is: 391,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,982.53 : 1,337,984.73 = 260,909.10 : x
  2. Step 2: Convert to fraction form
    891,982.53/1,337,984.73 = 260,909.10/x
  3. Step 3: Cross multiply
    891,982.53x = 1,337,984.73 × 260,909.10
  4. Step 4: Simplify right side
    891,982.53x = 349,092,391,718.04
  5. Step 5: Solve for x
    x = 349,092,391,718.04/891,982.53
  6. Step 6: Final answer
    x = 391,366.85

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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.