Home / 678,743.64-1,018,114.38-173,304.36

Finding the Fourth Proportional to 678,743.64, 1,018,114.38 and 173,304.36

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Solution

The fourth proportional to 678,743.64, 1,018,114.38 and 173,304.36 is: 259,956.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,743.64 : 1,018,114.38 = 173,304.36 : x
  2. Step 2: Convert to fraction form
    678,743.64/1,018,114.38 = 173,304.36/x
  3. Step 3: Cross multiply
    678,743.64x = 1,018,114.38 × 173,304.36
  4. Step 4: Simplify right side
    678,743.64x = 176,443,661,032.70
  5. Step 5: Solve for x
    x = 176,443,661,032.70/678,743.64
  6. Step 6: Final answer
    x = 259,956.26

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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.