Home / 1,023.04-1,411.06-630.28

Finding the Fourth Proportional to 1,023.04, 1,411.06 and 630.28

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Solution

The fourth proportional to 1,023.04, 1,411.06 and 630.28 is: 869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.04 : 1,411.06 = 630.28 : x
  2. Step 2: Convert to fraction form
    1,023.04/1,411.06 = 630.28/x
  3. Step 3: Cross multiply
    1,023.04x = 1,411.06 × 630.28
  4. Step 4: Simplify right side
    1,023.04x = 889,362.90
  5. Step 5: Solve for x
    x = 889,362.90/1,023.04
  6. Step 6: Final answer
    x = 869.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.