Home / 879,589.92-1,319,471.28-248,508.64

Finding the Fourth Proportional to 879,589.92, 1,319,471.28 and 248,508.64

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Solution

The fourth proportional to 879,589.92, 1,319,471.28 and 248,508.64 is: 372,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,589.92 : 1,319,471.28 = 248,508.64 : x
  2. Step 2: Convert to fraction form
    879,589.92/1,319,471.28 = 248,508.64/x
  3. Step 3: Cross multiply
    879,589.92x = 1,319,471.28 × 248,508.64
  4. Step 4: Simplify right side
    879,589.92x = 327,900,013,311.86
  5. Step 5: Solve for x
    x = 327,900,013,311.86/879,589.92
  6. Step 6: Final answer
    x = 372,787.37

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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.