Home / 644,004.45-966,486.60-245,423.70

Finding the Fourth Proportional to 644,004.45, 966,486.60 and 245,423.70

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Solution

The fourth proportional to 644,004.45, 966,486.60 and 245,423.70 is: 368,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,004.45 : 966,486.60 = 245,423.70 : x
  2. Step 2: Convert to fraction form
    644,004.45/966,486.60 = 245,423.70/x
  3. Step 3: Cross multiply
    644,004.45x = 966,486.60 × 245,423.70
  4. Step 4: Simplify right side
    644,004.45x = 237,198,717,372.42
  5. Step 5: Solve for x
    x = 237,198,717,372.42/644,004.45
  6. Step 6: Final answer
    x = 368,318.44

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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.