Home / 861,345.32-1,292,071.23-262,350.59

Finding the Fourth Proportional to 861,345.32, 1,292,071.23 and 262,350.59

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Solution

The fourth proportional to 861,345.32, 1,292,071.23 and 262,350.59 is: 393,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,345.32 : 1,292,071.23 = 262,350.59 : x
  2. Step 2: Convert to fraction form
    861,345.32/1,292,071.23 = 262,350.59/x
  3. Step 3: Cross multiply
    861,345.32x = 1,292,071.23 × 262,350.59
  4. Step 4: Simplify right side
    861,345.32x = 338,975,643,052.17
  5. Step 5: Solve for x
    x = 338,975,643,052.17/861,345.32
  6. Step 6: Final answer
    x = 393,542.10

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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.