Home / 748,948.20-1,123,568.10-322,483.20

Finding the Fourth Proportional to 748,948.20, 1,123,568.10 and 322,483.20

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Solution

The fourth proportional to 748,948.20, 1,123,568.10 and 322,483.20 is: 483,787.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,948.20 : 1,123,568.10 = 322,483.20 : x
  2. Step 2: Convert to fraction form
    748,948.20/1,123,568.10 = 322,483.20/x
  3. Step 3: Cross multiply
    748,948.20x = 1,123,568.10 × 322,483.20
  4. Step 4: Simplify right side
    748,948.20x = 362,331,836,305.92
  5. Step 5: Solve for x
    x = 362,331,836,305.92/748,948.20
  6. Step 6: Final answer
    x = 483,787.58

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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.