Home / 1,112.04-1,534.60-614.68

Finding the Fourth Proportional to 1,112.04, 1,534.60 and 614.68

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Solution

The fourth proportional to 1,112.04, 1,534.60 and 614.68 is: 848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.04 : 1,534.60 = 614.68 : x
  2. Step 2: Convert to fraction form
    1,112.04/1,534.60 = 614.68/x
  3. Step 3: Cross multiply
    1,112.04x = 1,534.60 × 614.68
  4. Step 4: Simplify right side
    1,112.04x = 943,287.93
  5. Step 5: Solve for x
    x = 943,287.93/1,112.04
  6. Step 6: Final answer
    x = 848.25

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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.