Home / 868,908.76-1,301,666.35-412,850.96

Finding the Fourth Proportional to 868,908.76, 1,301,666.35 and 412,850.96

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Solution

The fourth proportional to 868,908.76, 1,301,666.35 and 412,850.96 is: 618,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,908.76 : 1,301,666.35 = 412,850.96 : x
  2. Step 2: Convert to fraction form
    868,908.76/1,301,666.35 = 412,850.96/x
  3. Step 3: Cross multiply
    868,908.76x = 1,301,666.35 × 412,850.96
  4. Step 4: Simplify right side
    868,908.76x = 537,394,202,197.20
  5. Step 5: Solve for x
    x = 537,394,202,197.20/868,908.76
  6. Step 6: Final answer
    x = 618,470.23

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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.