Home / 861,726.24-1,293,179.76-300,760.74

Finding the Fourth Proportional to 861,726.24, 1,293,179.76 and 300,760.74

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Solution

The fourth proportional to 861,726.24, 1,293,179.76 and 300,760.74 is: 451,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,726.24 : 1,293,179.76 = 300,760.74 : x
  2. Step 2: Convert to fraction form
    861,726.24/1,293,179.76 = 300,760.74/x
  3. Step 3: Cross multiply
    861,726.24x = 1,293,179.76 × 300,760.74
  4. Step 4: Simplify right side
    861,726.24x = 388,937,701,570.62
  5. Step 5: Solve for x
    x = 388,937,701,570.62/861,726.24
  6. Step 6: Final answer
    x = 451,347.17

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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.