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Finding the Fourth Proportional to 444,000.48, 612,311.79 and 290,982.92

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Solution

The fourth proportional to 444,000.48, 612,311.79 and 290,982.92 is: 401,288.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,000.48 : 612,311.79 = 290,982.92 : x
  2. Step 2: Convert to fraction form
    444,000.48/612,311.79 = 290,982.92/x
  3. Step 3: Cross multiply
    444,000.48x = 612,311.79 × 290,982.92
  4. Step 4: Simplify right side
    444,000.48x = 178,172,269,543.07
  5. Step 5: Solve for x
    x = 178,172,269,543.07/444,000.48
  6. Step 6: Final answer
    x = 401,288.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.