Home / 754,507.78-1,134,048.21-499,211.11

Finding the Fourth Proportional to 754,507.78, 1,134,048.21 and 499,211.11

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Solution

The fourth proportional to 754,507.78, 1,134,048.21 and 499,211.11 is: 750,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,507.78 : 1,134,048.21 = 499,211.11 : x
  2. Step 2: Convert to fraction form
    754,507.78/1,134,048.21 = 499,211.11/x
  3. Step 3: Cross multiply
    754,507.78x = 1,134,048.21 × 499,211.11
  4. Step 4: Simplify right side
    754,507.78x = 566,129,465,707.61
  5. Step 5: Solve for x
    x = 566,129,465,707.61/754,507.78
  6. Step 6: Final answer
    x = 750,329.53

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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.