Home / 663,101.42-915,067.56-368,769.18

Finding the Fourth Proportional to 663,101.42, 915,067.56 and 368,769.18

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Solution

The fourth proportional to 663,101.42, 915,067.56 and 368,769.18 is: 508,894.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,101.42 : 915,067.56 = 368,769.18 : x
  2. Step 2: Convert to fraction form
    663,101.42/915,067.56 = 368,769.18/x
  3. Step 3: Cross multiply
    663,101.42x = 915,067.56 × 368,769.18
  4. Step 4: Simplify right side
    663,101.42x = 337,448,713,745.80
  5. Step 5: Solve for x
    x = 337,448,713,745.80/663,101.42
  6. Step 6: Final answer
    x = 508,894.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.