Home / 754,272.52-1,130,661.45-354,197.11

Finding the Fourth Proportional to 754,272.52, 1,130,661.45 and 354,197.11

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Solution

The fourth proportional to 754,272.52, 1,130,661.45 and 354,197.11 is: 530,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,272.52 : 1,130,661.45 = 354,197.11 : x
  2. Step 2: Convert to fraction form
    754,272.52/1,130,661.45 = 354,197.11/x
  3. Step 3: Cross multiply
    754,272.52x = 1,130,661.45 × 354,197.11
  4. Step 4: Simplify right side
    754,272.52x = 400,477,017,978.41
  5. Step 5: Solve for x
    x = 400,477,017,978.41/754,272.52
  6. Step 6: Final answer
    x = 530,944.73

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Double scale
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Similar ratio
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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.