Home / 868,912.51-1,301,671.96-412,854.73

Finding the Fourth Proportional to 868,912.51, 1,301,671.96 and 412,854.73

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Solution

The fourth proportional to 868,912.51, 1,301,671.96 and 412,854.73 is: 618,475.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,912.51 : 1,301,671.96 = 412,854.73 : x
  2. Step 2: Convert to fraction form
    868,912.51/1,301,671.96 = 412,854.73/x
  3. Step 3: Cross multiply
    868,912.51x = 1,301,671.96 × 412,854.73
  4. Step 4: Simplify right side
    868,912.51x = 537,401,426,110.44
  5. Step 5: Solve for x
    x = 537,401,426,110.44/868,912.51
  6. Step 6: Final answer
    x = 618,475.88

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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.