Home / 750,857.46-1,036,257.62-428,616.02

Finding the Fourth Proportional to 750,857.46, 1,036,257.62 and 428,616.02

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Solution

The fourth proportional to 750,857.46, 1,036,257.62 and 428,616.02 is: 591,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,857.46 : 1,036,257.62 = 428,616.02 : x
  2. Step 2: Convert to fraction form
    750,857.46/1,036,257.62 = 428,616.02/x
  3. Step 3: Cross multiply
    750,857.46x = 1,036,257.62 × 428,616.02
  4. Step 4: Simplify right side
    750,857.46x = 444,156,609,454.70
  5. Step 5: Solve for x
    x = 444,156,609,454.70/750,857.46
  6. Step 6: Final answer
    x = 591,532.53

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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.