Home / 679,301.80-1,018,920.30-229,978.60

Finding the Fourth Proportional to 679,301.80, 1,018,920.30 and 229,978.60

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Solution

The fourth proportional to 679,301.80, 1,018,920.30 and 229,978.60 is: 344,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,301.80 : 1,018,920.30 = 229,978.60 : x
  2. Step 2: Convert to fraction form
    679,301.80/1,018,920.30 = 229,978.60/x
  3. Step 3: Cross multiply
    679,301.80x = 1,018,920.30 × 229,978.60
  4. Step 4: Simplify right side
    679,301.80x = 234,329,864,105.58
  5. Step 5: Solve for x
    x = 234,329,864,105.58/679,301.80
  6. Step 6: Final answer
    x = 344,956.93

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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.