Home / 987,277.82-1,480,623.30-418,650.53

Finding the Fourth Proportional to 987,277.82, 1,480,623.30 and 418,650.53

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Solution

The fourth proportional to 987,277.82, 1,480,623.30 and 418,650.53 is: 627,851.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,277.82 : 1,480,623.30 = 418,650.53 : x
  2. Step 2: Convert to fraction form
    987,277.82/1,480,623.30 = 418,650.53/x
  3. Step 3: Cross multiply
    987,277.82x = 1,480,623.30 × 418,650.53
  4. Step 4: Simplify right side
    987,277.82x = 619,863,721,872.23
  5. Step 5: Solve for x
    x = 619,863,721,872.23/987,277.82
  6. Step 6: Final answer
    x = 627,851.36

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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.