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Finding the Fourth Proportional to 442,500.06, 662,816.82 and 300,432.54

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Solution

The fourth proportional to 442,500.06, 662,816.82 and 300,432.54 is: 450,015.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,500.06 : 662,816.82 = 300,432.54 : x
  2. Step 2: Convert to fraction form
    442,500.06/662,816.82 = 300,432.54/x
  3. Step 3: Cross multiply
    442,500.06x = 662,816.82 × 300,432.54
  4. Step 4: Simplify right side
    442,500.06x = 199,131,740,787.32
  5. Step 5: Solve for x
    x = 199,131,740,787.32/442,500.06
  6. Step 6: Final answer
    x = 450,015.17

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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.