Home / 754,270.52-1,130,658.45-354,195.11

Finding the Fourth Proportional to 754,270.52, 1,130,658.45 and 354,195.11

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Solution

The fourth proportional to 754,270.52, 1,130,658.45 and 354,195.11 is: 530,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,270.52 : 1,130,658.45 = 354,195.11 : x
  2. Step 2: Convert to fraction form
    754,270.52/1,130,658.45 = 354,195.11/x
  3. Step 3: Cross multiply
    754,270.52x = 1,130,658.45 × 354,195.11
  4. Step 4: Simplify right side
    754,270.52x = 400,473,695,568.59
  5. Step 5: Solve for x
    x = 400,473,695,568.59/754,270.52
  6. Step 6: Final answer
    x = 530,941.73

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Double scale
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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.