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Finding the Fourth Proportional to 442,494.06, 662,807.85 and 300,426.54

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Solution

The fourth proportional to 442,494.06, 662,807.85 and 300,426.54 is: 450,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,494.06 : 662,807.85 = 300,426.54 : x
  2. Step 2: Convert to fraction form
    442,494.06/662,807.85 = 300,426.54/x
  3. Step 3: Cross multiply
    442,494.06x = 662,807.85 × 300,426.54
  4. Step 4: Simplify right side
    442,494.06x = 199,125,069,060.34
  5. Step 5: Solve for x
    x = 199,125,069,060.34/442,494.06
  6. Step 6: Final answer
    x = 450,006.20

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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.