Home / 662,288.34-913,932.54-375,791.34

Finding the Fourth Proportional to 662,288.34, 913,932.54 and 375,791.34

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Solution

The fourth proportional to 662,288.34, 913,932.54 and 375,791.34 is: 518,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,288.34 : 913,932.54 = 375,791.34 : x
  2. Step 2: Convert to fraction form
    662,288.34/913,932.54 = 375,791.34/x
  3. Step 3: Cross multiply
    662,288.34x = 913,932.54 × 375,791.34
  4. Step 4: Simplify right side
    662,288.34x = 343,447,933,876.20
  5. Step 5: Solve for x
    x = 343,447,933,876.20/662,288.34
  6. Step 6: Final answer
    x = 518,577.65

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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.