Home / 1,087.14-1,499.89-614.97

Finding the Fourth Proportional to 1,087.14, 1,499.89 and 614.97

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Solution

The fourth proportional to 1,087.14, 1,499.89 and 614.97 is: 848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087.14 : 1,499.89 = 614.97 : x
  2. Step 2: Convert to fraction form
    1,087.14/1,499.89 = 614.97/x
  3. Step 3: Cross multiply
    1,087.14x = 1,499.89 × 614.97
  4. Step 4: Simplify right side
    1,087.14x = 922,387.35
  5. Step 5: Solve for x
    x = 922,387.35/1,087.14
  6. Step 6: Final answer
    x = 848.45

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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.