Home / 861,319.67-1,291,881.08-230,282.69

Finding the Fourth Proportional to 861,319.67, 1,291,881.08 and 230,282.69

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Solution

The fourth proportional to 861,319.67, 1,291,881.08 and 230,282.69 is: 345,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,319.67 : 1,291,881.08 = 230,282.69 : x
  2. Step 2: Convert to fraction form
    861,319.67/1,291,881.08 = 230,282.69/x
  3. Step 3: Cross multiply
    861,319.67x = 1,291,881.08 × 230,282.69
  4. Step 4: Simplify right side
    861,319.67x = 297,497,845,881.39
  5. Step 5: Solve for x
    x = 297,497,845,881.39/861,319.67
  6. Step 6: Final answer
    x = 345,397.72

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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.