Home / 1,022.17-1,410.29-602.56

Finding the Fourth Proportional to 1,022.17, 1,410.29 and 602.56

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Solution

The fourth proportional to 1,022.17, 1,410.29 and 602.56 is: 831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.17 : 1,410.29 = 602.56 : x
  2. Step 2: Convert to fraction form
    1,022.17/1,410.29 = 602.56/x
  3. Step 3: Cross multiply
    1,022.17x = 1,410.29 × 602.56
  4. Step 4: Simplify right side
    1,022.17x = 849,777.29
  5. Step 5: Solve for x
    x = 849,777.29/1,022.17
  6. Step 6: Final answer
    x = 831.35

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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.