Home / 679,260.80-1,018,828.73-229,930.31

Finding the Fourth Proportional to 679,260.80, 1,018,828.73 and 229,930.31

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Solution

The fourth proportional to 679,260.80, 1,018,828.73 and 229,930.31 is: 344,874.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,260.80 : 1,018,828.73 = 229,930.31 : x
  2. Step 2: Convert to fraction form
    679,260.80/1,018,828.73 = 229,930.31/x
  3. Step 3: Cross multiply
    679,260.80x = 1,018,828.73 × 229,930.31
  4. Step 4: Simplify right side
    679,260.80x = 234,259,605,725.81
  5. Step 5: Solve for x
    x = 234,259,605,725.81/679,260.80
  6. Step 6: Final answer
    x = 344,874.32

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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.