Home / 679,255.80-1,018,821.23-229,925.31

Finding the Fourth Proportional to 679,255.80, 1,018,821.23 and 229,925.31

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Solution

The fourth proportional to 679,255.80, 1,018,821.23 and 229,925.31 is: 344,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,255.80 : 1,018,821.23 = 229,925.31 : x
  2. Step 2: Convert to fraction form
    679,255.80/1,018,821.23 = 229,925.31/x
  3. Step 3: Cross multiply
    679,255.80x = 1,018,821.23 × 229,925.31
  4. Step 4: Simplify right side
    679,255.80x = 234,252,787,142.33
  5. Step 5: Solve for x
    x = 234,252,787,142.33/679,255.80
  6. Step 6: Final answer
    x = 344,866.82

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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.