Home / 906,419.20-1,359,632.64-275,338.24

Finding the Fourth Proportional to 906,419.20, 1,359,632.64 and 275,338.24

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Solution

The fourth proportional to 906,419.20, 1,359,632.64 and 275,338.24 is: 413,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,419.20 : 1,359,632.64 = 275,338.24 : x
  2. Step 2: Convert to fraction form
    906,419.20/1,359,632.64 = 275,338.24/x
  3. Step 3: Cross multiply
    906,419.20x = 1,359,632.64 × 275,338.24
  4. Step 4: Simplify right side
    906,419.20x = 374,358,858,144.15
  5. Step 5: Solve for x
    x = 374,358,858,144.15/906,419.20
  6. Step 6: Final answer
    x = 413,008.53

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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.