Home / 679,211.28-1,018,758.33-229,922.46

Finding the Fourth Proportional to 679,211.28, 1,018,758.33 and 229,922.46

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Solution

The fourth proportional to 679,211.28, 1,018,758.33 and 229,922.46 is: 344,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,211.28 : 1,018,758.33 = 229,922.46 : x
  2. Step 2: Convert to fraction form
    679,211.28/1,018,758.33 = 229,922.46/x
  3. Step 3: Cross multiply
    679,211.28x = 1,018,758.33 × 229,922.46
  4. Step 4: Simplify right side
    679,211.28x = 234,235,421,379.09
  5. Step 5: Solve for x
    x = 234,235,421,379.09/679,211.28
  6. Step 6: Final answer
    x = 344,863.86

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1.5x scale

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.