Home / 906,139.20-1,359,403.20-275,116.80

Finding the Fourth Proportional to 906,139.20, 1,359,403.20 and 275,116.80

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Solution

The fourth proportional to 906,139.20, 1,359,403.20 and 275,116.80 is: 412,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,139.20 : 1,359,403.20 = 275,116.80 : x
  2. Step 2: Convert to fraction form
    906,139.20/1,359,403.20 = 275,116.80/x
  3. Step 3: Cross multiply
    906,139.20x = 1,359,403.20 × 275,116.80
  4. Step 4: Simplify right side
    906,139.20x = 373,994,658,293.76
  5. Step 5: Solve for x
    x = 373,994,658,293.76/906,139.20
  6. Step 6: Final answer
    x = 412,734.22

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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.