Home / 527,006.70-790,067.07-426,918.69

Finding the Fourth Proportional to 527,006.70, 790,067.07 and 426,918.69

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Solution

The fourth proportional to 527,006.70, 790,067.07 and 426,918.69 is: 640,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,006.70 : 790,067.07 = 426,918.69 : x
  2. Step 2: Convert to fraction form
    527,006.70/790,067.07 = 426,918.69/x
  3. Step 3: Cross multiply
    527,006.70x = 790,067.07 × 426,918.69
  4. Step 4: Simplify right side
    527,006.70x = 337,294,398,536.54
  5. Step 5: Solve for x
    x = 337,294,398,536.54/527,006.70
  6. Step 6: Final answer
    x = 640,019.18

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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.