Home / 861,325.17-1,292,174.57-262,270.64

Finding the Fourth Proportional to 861,325.17, 1,292,174.57 and 262,270.64

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Solution

The fourth proportional to 861,325.17, 1,292,174.57 and 262,270.64 is: 393,462.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,325.17 : 1,292,174.57 = 262,270.64 : x
  2. Step 2: Convert to fraction form
    861,325.17/1,292,174.57 = 262,270.64/x
  3. Step 3: Cross multiply
    861,325.17x = 1,292,174.57 × 262,270.64
  4. Step 4: Simplify right side
    861,325.17x = 338,899,443,693.40
  5. Step 5: Solve for x
    x = 338,899,443,693.40/861,325.17
  6. Step 6: Final answer
    x = 393,462.84

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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.