Home / 886,734.92-1,330,289.19-287,649.30

Finding the Fourth Proportional to 886,734.92, 1,330,289.19 and 287,649.30

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Solution

The fourth proportional to 886,734.92, 1,330,289.19 and 287,649.30 is: 431,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,734.92 : 1,330,289.19 = 287,649.30 : x
  2. Step 2: Convert to fraction form
    886,734.92/1,330,289.19 = 287,649.30/x
  3. Step 3: Cross multiply
    886,734.92x = 1,330,289.19 × 287,649.30
  4. Step 4: Simplify right side
    886,734.92x = 382,656,754,301.07
  5. Step 5: Solve for x
    x = 382,656,754,301.07/886,734.92
  6. Step 6: Final answer
    x = 431,534.55

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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.