Home / 653,115.19-979,683.17-248,313.57

Finding the Fourth Proportional to 653,115.19, 979,683.17 and 248,313.57

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Solution

The fourth proportional to 653,115.19, 979,683.17 and 248,313.57 is: 372,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,115.19 : 979,683.17 = 248,313.57 : x
  2. Step 2: Convert to fraction form
    653,115.19/979,683.17 = 248,313.57/x
  3. Step 3: Cross multiply
    653,115.19x = 979,683.17 × 248,313.57
  4. Step 4: Simplify right side
    653,115.19x = 243,268,624,170.05
  5. Step 5: Solve for x
    x = 243,268,624,170.05/653,115.19
  6. Step 6: Final answer
    x = 372,474.30

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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.