Home / 679,187.28-1,018,722.24-229,898.52

Finding the Fourth Proportional to 679,187.28, 1,018,722.24 and 229,898.52

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Solution

The fourth proportional to 679,187.28, 1,018,722.24 and 229,898.52 is: 344,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,187.28 : 1,018,722.24 = 229,898.52 : x
  2. Step 2: Convert to fraction form
    679,187.28/1,018,722.24 = 229,898.52/x
  3. Step 3: Cross multiply
    679,187.28x = 1,018,722.24 × 229,898.52
  4. Step 4: Simplify right side
    679,187.28x = 234,202,735,267.09
  5. Step 5: Solve for x
    x = 234,202,735,267.09/679,187.28
  6. Step 6: Final answer
    x = 344,827.92

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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.