Home / 861,214.77-1,291,895.07-262,180.89

Finding the Fourth Proportional to 861,214.77, 1,291,895.07 and 262,180.89

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Solution

The fourth proportional to 861,214.77, 1,291,895.07 and 262,180.89 is: 393,293.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,214.77 : 1,291,895.07 = 262,180.89 : x
  2. Step 2: Convert to fraction form
    861,214.77/1,291,895.07 = 262,180.89/x
  3. Step 3: Cross multiply
    861,214.77x = 1,291,895.07 × 262,180.89
  4. Step 4: Simplify right side
    861,214.77x = 338,710,199,239.21
  5. Step 5: Solve for x
    x = 338,710,199,239.21/861,214.77
  6. Step 6: Final answer
    x = 393,293.53

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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.