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Finding the Fourth Proportional to 1,087.02, 1,499.99 and 614.89

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Solution

The fourth proportional to 1,087.02, 1,499.99 and 614.89 is: 848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087.02 : 1,499.99 = 614.89 : x
  2. Step 2: Convert to fraction form
    1,087.02/1,499.99 = 614.89/x
  3. Step 3: Cross multiply
    1,087.02x = 1,499.99 × 614.89
  4. Step 4: Simplify right side
    1,087.02x = 922,328.85
  5. Step 5: Solve for x
    x = 922,328.85/1,087.02
  6. Step 6: Final answer
    x = 848.49

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