Home / 891,480.57-1,337,220.73-418,165.93

Finding the Fourth Proportional to 891,480.57, 1,337,220.73 and 418,165.93

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Solution

The fourth proportional to 891,480.57, 1,337,220.73 and 418,165.93 is: 627,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,480.57 : 1,337,220.73 = 418,165.93 : x
  2. Step 2: Convert to fraction form
    891,480.57/1,337,220.73 = 418,165.93/x
  3. Step 3: Cross multiply
    891,480.57x = 1,337,220.73 × 418,165.93
  4. Step 4: Simplify right side
    891,480.57x = 559,180,150,175.73
  5. Step 5: Solve for x
    x = 559,180,150,175.73/891,480.57
  6. Step 6: Final answer
    x = 627,248.84

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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.