Home / 748,934.30-1,123,401.45-538,982.30

Finding the Fourth Proportional to 748,934.30, 1,123,401.45 and 538,982.30

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Solution

The fourth proportional to 748,934.30, 1,123,401.45 and 538,982.30 is: 808,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,934.30 : 1,123,401.45 = 538,982.30 : x
  2. Step 2: Convert to fraction form
    748,934.30/1,123,401.45 = 538,982.30/x
  3. Step 3: Cross multiply
    748,934.30x = 1,123,401.45 × 538,982.30
  4. Step 4: Simplify right side
    748,934.30x = 605,493,497,344.34
  5. Step 5: Solve for x
    x = 605,493,497,344.34/748,934.30
  6. Step 6: Final answer
    x = 808,473.45

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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.