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Finding the Fourth Proportional to 644,129.20, 965,902.20 and 244,637.20

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Solution

The fourth proportional to 644,129.20, 965,902.20 and 244,637.20 is: 366,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,129.20 : 965,902.20 = 244,637.20 : x
  2. Step 2: Convert to fraction form
    644,129.20/965,902.20 = 244,637.20/x
  3. Step 3: Cross multiply
    644,129.20x = 965,902.20 × 244,637.20
  4. Step 4: Simplify right side
    644,129.20x = 236,295,609,681.84
  5. Step 5: Solve for x
    x = 236,295,609,681.84/644,129.20
  6. Step 6: Final answer
    x = 366,845.05

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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.