Home / 1,316.50-1,974.17-585.56

Finding the Fourth Proportional to 1,316.50, 1,974.17 and 585.56

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Solution

The fourth proportional to 1,316.50, 1,974.17 and 585.56 is: 878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316.50 : 1,974.17 = 585.56 : x
  2. Step 2: Convert to fraction form
    1,316.50/1,974.17 = 585.56/x
  3. Step 3: Cross multiply
    1,316.50x = 1,974.17 × 585.56
  4. Step 4: Simplify right side
    1,316.50x = 1,156,001.38
  5. Step 5: Solve for x
    x = 1,156,001.38/1,316.50
  6. Step 6: Final answer
    x = 878.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.