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Finding the Fourth Proportional to 879,568.32, 1,319,375.16 and 239,877.30

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Solution

The fourth proportional to 879,568.32, 1,319,375.16 and 239,877.30 is: 359,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,568.32 : 1,319,375.16 = 239,877.30 : x
  2. Step 2: Convert to fraction form
    879,568.32/1,319,375.16 = 239,877.30/x
  3. Step 3: Cross multiply
    879,568.32x = 1,319,375.16 × 239,877.30
  4. Step 4: Simplify right side
    879,568.32x = 316,488,151,067.87
  5. Step 5: Solve for x
    x = 316,488,151,067.87/879,568.32
  6. Step 6: Final answer
    x = 359,822.14

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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.