Home / 754,511.87-1,040,514.62-495,931.92

Finding the Fourth Proportional to 754,511.87, 1,040,514.62 and 495,931.92

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Solution

The fourth proportional to 754,511.87, 1,040,514.62 and 495,931.92 is: 683,918.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,511.87 : 1,040,514.62 = 495,931.92 : x
  2. Step 2: Convert to fraction form
    754,511.87/1,040,514.62 = 495,931.92/x
  3. Step 3: Cross multiply
    754,511.87x = 1,040,514.62 × 495,931.92
  4. Step 4: Simplify right side
    754,511.87x = 516,024,413,284.67
  5. Step 5: Solve for x
    x = 516,024,413,284.67/754,511.87
  6. Step 6: Final answer
    x = 683,918.22

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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.