Home / 781,092.06-1,171,627.14-307,781.52

Finding the Fourth Proportional to 781,092.06, 1,171,627.14 and 307,781.52

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Solution

The fourth proportional to 781,092.06, 1,171,627.14 and 307,781.52 is: 461,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,092.06 : 1,171,627.14 = 307,781.52 : x
  2. Step 2: Convert to fraction form
    781,092.06/1,171,627.14 = 307,781.52/x
  3. Step 3: Cross multiply
    781,092.06x = 1,171,627.14 × 307,781.52
  4. Step 4: Simplify right side
    781,092.06x = 360,605,182,022.45
  5. Step 5: Solve for x
    x = 360,605,182,022.45/781,092.06
  6. Step 6: Final answer
    x = 461,667.97

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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.