Home / 906,221.46-1,359,244.31-275,140.74

Finding the Fourth Proportional to 906,221.46, 1,359,244.31 and 275,140.74

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Solution

The fourth proportional to 906,221.46, 1,359,244.31 and 275,140.74 is: 412,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,221.46 : 1,359,244.31 = 275,140.74 : x
  2. Step 2: Convert to fraction form
    906,221.46/1,359,244.31 = 275,140.74/x
  3. Step 3: Cross multiply
    906,221.46x = 1,359,244.31 × 275,140.74
  4. Step 4: Simplify right side
    906,221.46x = 373,983,483,918.49
  5. Step 5: Solve for x
    x = 373,983,483,918.49/906,221.46
  6. Step 6: Final answer
    x = 412,684.43

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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.