Home / 861,730.74-1,293,186.51-300,765.24

Finding the Fourth Proportional to 861,730.74, 1,293,186.51 and 300,765.24

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Solution

The fourth proportional to 861,730.74, 1,293,186.51 and 300,765.24 is: 451,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,730.74 : 1,293,186.51 = 300,765.24 : x
  2. Step 2: Convert to fraction form
    861,730.74/1,293,186.51 = 300,765.24/x
  3. Step 3: Cross multiply
    861,730.74x = 1,293,186.51 × 300,765.24
  4. Step 4: Simplify right side
    861,730.74x = 388,945,551,044.91
  5. Step 5: Solve for x
    x = 388,945,551,044.91/861,730.74
  6. Step 6: Final answer
    x = 451,353.92

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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.