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Finding the Fourth Proportional to 440,949.60, 661,424.40 and 440,949.60

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Solution

The fourth proportional to 440,949.60, 661,424.40 and 440,949.60 is: 661,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,949.60 : 661,424.40 = 440,949.60 : x
  2. Step 2: Convert to fraction form
    440,949.60/661,424.40 = 440,949.60/x
  3. Step 3: Cross multiply
    440,949.60x = 661,424.40 × 440,949.60
  4. Step 4: Simplify right side
    440,949.60x = 291,654,824,610.24
  5. Step 5: Solve for x
    x = 291,654,824,610.24/440,949.60
  6. Step 6: Final answer
    x = 661,424.40

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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.