Home / 737,987.50-1,107,136.60-418,292.55

Finding the Fourth Proportional to 737,987.50, 1,107,136.60 and 418,292.55

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Solution

The fourth proportional to 737,987.50, 1,107,136.60 and 418,292.55 is: 627,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,987.50 : 1,107,136.60 = 418,292.55 : x
  2. Step 2: Convert to fraction form
    737,987.50/1,107,136.60 = 418,292.55/x
  3. Step 3: Cross multiply
    737,987.50x = 1,107,136.60 × 418,292.55
  4. Step 4: Simplify right side
    737,987.50x = 463,106,989,520.87
  5. Step 5: Solve for x
    x = 463,106,989,520.87/737,987.50
  6. Step 6: Final answer
    x = 627,526.87

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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.