Home / 750,808.83-1,036,132.92-428,512.46

Finding the Fourth Proportional to 750,808.83, 1,036,132.92 and 428,512.46

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Solution

The fourth proportional to 750,808.83, 1,036,132.92 and 428,512.46 is: 591,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,808.83 : 1,036,132.92 = 428,512.46 : x
  2. Step 2: Convert to fraction form
    750,808.83/1,036,132.92 = 428,512.46/x
  3. Step 3: Cross multiply
    750,808.83x = 1,036,132.92 × 428,512.46
  4. Step 4: Simplify right side
    750,808.83x = 443,995,866,436.18
  5. Step 5: Solve for x
    x = 443,995,866,436.18/750,808.83
  6. Step 6: Final answer
    x = 591,356.75

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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.