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Finding the Fourth Proportional to 440,577.72, 660,193.68 and 327,712.08

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Solution

The fourth proportional to 440,577.72, 660,193.68 and 327,712.08 is: 491,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,577.72 : 660,193.68 = 327,712.08 : x
  2. Step 2: Convert to fraction form
    440,577.72/660,193.68 = 327,712.08/x
  3. Step 3: Cross multiply
    440,577.72x = 660,193.68 × 327,712.08
  4. Step 4: Simplify right side
    440,577.72x = 216,353,444,075.65
  5. Step 5: Solve for x
    x = 216,353,444,075.65/440,577.72
  6. Step 6: Final answer
    x = 491,067.60

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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.