Home / 653,290.30-979,472.13-253,594.18

Finding the Fourth Proportional to 653,290.30, 979,472.13 and 253,594.18

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Solution

The fourth proportional to 653,290.30, 979,472.13 and 253,594.18 is: 380,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,290.30 : 979,472.13 = 253,594.18 : x
  2. Step 2: Convert to fraction form
    653,290.30/979,472.13 = 253,594.18/x
  3. Step 3: Cross multiply
    653,290.30x = 979,472.13 × 253,594.18
  4. Step 4: Simplify right side
    653,290.30x = 248,388,431,640.20
  5. Step 5: Solve for x
    x = 248,388,431,640.20/653,290.30
  6. Step 6: Final answer
    x = 380,211.42

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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.