Home / 1,087.04-1,500.14-614.90

Finding the Fourth Proportional to 1,087.04, 1,500.14 and 614.90

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Solution

The fourth proportional to 1,087.04, 1,500.14 and 614.90 is: 848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087.04 : 1,500.14 = 614.90 : x
  2. Step 2: Convert to fraction form
    1,087.04/1,500.14 = 614.90/x
  3. Step 3: Cross multiply
    1,087.04x = 1,500.14 × 614.90
  4. Step 4: Simplify right side
    1,087.04x = 922,430.12
  5. Step 5: Solve for x
    x = 922,430.12/1,087.04
  6. Step 6: Final answer
    x = 848.57

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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.