Home / 679,137.40-1,018,859.19-229,832.83

Finding the Fourth Proportional to 679,137.40, 1,018,859.19 and 229,832.83

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Solution

The fourth proportional to 679,137.40, 1,018,859.19 and 229,832.83 is: 344,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,137.40 : 1,018,859.19 = 229,832.83 : x
  2. Step 2: Convert to fraction form
    679,137.40/1,018,859.19 = 229,832.83/x
  3. Step 3: Cross multiply
    679,137.40x = 1,018,859.19 × 229,832.83
  4. Step 4: Simplify right side
    679,137.40x = 234,167,291,009.21
  5. Step 5: Solve for x
    x = 234,167,291,009.21/679,137.40
  6. Step 6: Final answer
    x = 344,801.05

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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.