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Finding the Fourth Proportional to 444,008.80, 666,013.20 and 403,330.60

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Solution

The fourth proportional to 444,008.80, 666,013.20 and 403,330.60 is: 604,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,008.80 : 666,013.20 = 403,330.60 : x
  2. Step 2: Convert to fraction form
    444,008.80/666,013.20 = 403,330.60/x
  3. Step 3: Cross multiply
    444,008.80x = 666,013.20 × 403,330.60
  4. Step 4: Simplify right side
    444,008.80x = 268,623,503,563.92
  5. Step 5: Solve for x
    x = 268,623,503,563.92/444,008.80
  6. Step 6: Final answer
    x = 604,995.90

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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.