Home / 754,767.12-1,132,675.53-487,865.64

Finding the Fourth Proportional to 754,767.12, 1,132,675.53 and 487,865.64

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Solution

The fourth proportional to 754,767.12, 1,132,675.53 and 487,865.64 is: 732,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,767.12 : 1,132,675.53 = 487,865.64 : x
  2. Step 2: Convert to fraction form
    754,767.12/1,132,675.53 = 487,865.64/x
  3. Step 3: Cross multiply
    754,767.12x = 1,132,675.53 × 487,865.64
  4. Step 4: Simplify right side
    754,767.12x = 552,593,472,355.79
  5. Step 5: Solve for x
    x = 552,593,472,355.79/754,767.12
  6. Step 6: Final answer
    x = 732,137.71

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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.