Home / 1,087.38-1,500.60-590.02

Finding the Fourth Proportional to 1,087.38, 1,500.60 and 590.02

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Solution

The fourth proportional to 1,087.38, 1,500.60 and 590.02 is: 814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087.38 : 1,500.60 = 590.02 : x
  2. Step 2: Convert to fraction form
    1,087.38/1,500.60 = 590.02/x
  3. Step 3: Cross multiply
    1,087.38x = 1,500.60 × 590.02
  4. Step 4: Simplify right side
    1,087.38x = 885,384.01
  5. Step 5: Solve for x
    x = 885,384.01/1,087.38
  6. Step 6: Final answer
    x = 814.24

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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.