Home / 1,042.04-1,563.58-632.20

Finding the Fourth Proportional to 1,042.04, 1,563.58 and 632.20

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Solution

The fourth proportional to 1,042.04, 1,563.58 and 632.20 is: 948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.04 : 1,563.58 = 632.20 : x
  2. Step 2: Convert to fraction form
    1,042.04/1,563.58 = 632.20/x
  3. Step 3: Cross multiply
    1,042.04x = 1,563.58 × 632.20
  4. Step 4: Simplify right side
    1,042.04x = 988,495.28
  5. Step 5: Solve for x
    x = 988,495.28/1,042.04
  6. Step 6: Final answer
    x = 948.62

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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.