Home / 644,926.20-966,698.10-245,412.60

Finding the Fourth Proportional to 644,926.20, 966,698.10 and 245,412.60

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Solution

The fourth proportional to 644,926.20, 966,698.10 and 245,412.60 is: 367,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,926.20 : 966,698.10 = 245,412.60 : x
  2. Step 2: Convert to fraction form
    644,926.20/966,698.10 = 245,412.60/x
  3. Step 3: Cross multiply
    644,926.20x = 966,698.10 × 245,412.60
  4. Step 4: Simplify right side
    644,926.20x = 237,239,894,136.06
  5. Step 5: Solve for x
    x = 237,239,894,136.06/644,926.20
  6. Step 6: Final answer
    x = 367,855.88

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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.