Home / 644,771.20-966,926.40-224,060.80

Finding the Fourth Proportional to 644,771.20, 966,926.40 and 224,060.80

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Solution

The fourth proportional to 644,771.20, 966,926.40 and 224,060.80 is: 336,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,771.20 : 966,926.40 = 224,060.80 : x
  2. Step 2: Convert to fraction form
    644,771.20/966,926.40 = 224,060.80/x
  3. Step 3: Cross multiply
    644,771.20x = 966,926.40 × 224,060.80
  4. Step 4: Simplify right side
    644,771.20x = 216,650,302,725.12
  5. Step 5: Solve for x
    x = 216,650,302,725.12/644,771.20
  6. Step 6: Final answer
    x = 336,011.13

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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.