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Finding the Fourth Proportional to 440,277.40, 660,416.10 and 365,546.80

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Solution

The fourth proportional to 440,277.40, 660,416.10 and 365,546.80 is: 548,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,277.40 : 660,416.10 = 365,546.80 : x
  2. Step 2: Convert to fraction form
    440,277.40/660,416.10 = 365,546.80/x
  3. Step 3: Cross multiply
    440,277.40x = 660,416.10 × 365,546.80
  4. Step 4: Simplify right side
    440,277.40x = 241,412,992,023.48
  5. Step 5: Solve for x
    x = 241,412,992,023.48/440,277.40
  6. Step 6: Final answer
    x = 548,320.20

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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.