Home / 754,764.60-1,132,671.80-487,863.12

Finding the Fourth Proportional to 754,764.60, 1,132,671.80 and 487,863.12

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Solution

The fourth proportional to 754,764.60, 1,132,671.80 and 487,863.12 is: 732,133.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,764.60 : 1,132,671.80 = 487,863.12 : x
  2. Step 2: Convert to fraction form
    754,764.60/1,132,671.80 = 487,863.12/x
  3. Step 3: Cross multiply
    754,764.60x = 1,132,671.80 × 487,863.12
  4. Step 4: Simplify right side
    754,764.60x = 552,588,798,284.02
  5. Step 5: Solve for x
    x = 552,588,798,284.02/754,764.60
  6. Step 6: Final answer
    x = 732,133.96

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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.