Home / 781,791.16-1,172,735.38-283,159.48

Finding the Fourth Proportional to 781,791.16, 1,172,735.38 and 283,159.48

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Solution

The fourth proportional to 781,791.16, 1,172,735.38 and 283,159.48 is: 424,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,791.16 : 1,172,735.38 = 283,159.48 : x
  2. Step 2: Convert to fraction form
    781,791.16/1,172,735.38 = 283,159.48/x
  3. Step 3: Cross multiply
    781,791.16x = 1,172,735.38 × 283,159.48
  4. Step 4: Simplify right side
    781,791.16x = 332,071,140,378.40
  5. Step 5: Solve for x
    x = 332,071,140,378.40/781,791.16
  6. Step 6: Final answer
    x = 424,756.84

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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.