Home / 644,946.20-966,728.10-245,432.60

Finding the Fourth Proportional to 644,946.20, 966,728.10 and 245,432.60

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Solution

The fourth proportional to 644,946.20, 966,728.10 and 245,432.60 is: 367,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,946.20 : 966,728.10 = 245,432.60 : x
  2. Step 2: Convert to fraction form
    644,946.20/966,728.10 = 245,432.60/x
  3. Step 3: Cross multiply
    644,946.20x = 966,728.10 × 245,432.60
  4. Step 4: Simplify right side
    644,946.20x = 237,266,591,076.06
  5. Step 5: Solve for x
    x = 237,266,591,076.06/644,946.20
  6. Step 6: Final answer
    x = 367,885.87

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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.