Home / 644,209.44-966,117.30-307,072.46

Finding the Fourth Proportional to 644,209.44, 966,117.30 and 307,072.46

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Solution

The fourth proportional to 644,209.44, 966,117.30 and 307,072.46 is: 460,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,209.44 : 966,117.30 = 307,072.46 : x
  2. Step 2: Convert to fraction form
    644,209.44/966,117.30 = 307,072.46/x
  3. Step 3: Cross multiply
    644,209.44x = 966,117.30 × 307,072.46
  4. Step 4: Simplify right side
    644,209.44x = 296,668,015,959.56
  5. Step 5: Solve for x
    x = 296,668,015,959.56/644,209.44
  6. Step 6: Final answer
    x = 460,514.85

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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.