Home / 906,716.18-1,360,025.05-275,580.78

Finding the Fourth Proportional to 906,716.18, 1,360,025.05 and 275,580.78

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Solution

The fourth proportional to 906,716.18, 1,360,025.05 and 275,580.78 is: 413,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,716.18 : 1,360,025.05 = 275,580.78 : x
  2. Step 2: Convert to fraction form
    906,716.18/1,360,025.05 = 275,580.78/x
  3. Step 3: Cross multiply
    906,716.18x = 1,360,025.05 × 275,580.78
  4. Step 4: Simplify right side
    906,716.18x = 374,796,766,476.35
  5. Step 5: Solve for x
    x = 374,796,766,476.35/906,716.18
  6. Step 6: Final answer
    x = 413,356.21

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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.