Home / 868,938.82-1,304,112.39-448,334.98

Finding the Fourth Proportional to 868,938.82, 1,304,112.39 and 448,334.98

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Solution

The fourth proportional to 868,938.82, 1,304,112.39 and 448,334.98 is: 672,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,938.82 : 1,304,112.39 = 448,334.98 : x
  2. Step 2: Convert to fraction form
    868,938.82/1,304,112.39 = 448,334.98/x
  3. Step 3: Cross multiply
    868,938.82x = 1,304,112.39 × 448,334.98
  4. Step 4: Simplify right side
    868,938.82x = 584,679,202,288.40
  5. Step 5: Solve for x
    x = 584,679,202,288.40/868,938.82
  6. Step 6: Final answer
    x = 672,865.79

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1.5x scale

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.