Home / 675,439.85-1,013,159.57-254,617.31

Finding the Fourth Proportional to 675,439.85, 1,013,159.57 and 254,617.31

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Solution

The fourth proportional to 675,439.85, 1,013,159.57 and 254,617.31 is: 381,925.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,439.85 : 1,013,159.57 = 254,617.31 : x
  2. Step 2: Convert to fraction form
    675,439.85/1,013,159.57 = 254,617.31/x
  3. Step 3: Cross multiply
    675,439.85x = 1,013,159.57 × 254,617.31
  4. Step 4: Simplify right side
    675,439.85x = 257,967,957,975.27
  5. Step 5: Solve for x
    x = 257,967,957,975.27/675,439.85
  6. Step 6: Final answer
    x = 381,925.88

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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.