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Finding the Fourth Proportional to 442,260.80, 663,385.08 and 264,816.80

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Solution

The fourth proportional to 442,260.80, 663,385.08 and 264,816.80 is: 397,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,260.80 : 663,385.08 = 264,816.80 : x
  2. Step 2: Convert to fraction form
    442,260.80/663,385.08 = 264,816.80/x
  3. Step 3: Cross multiply
    442,260.80x = 663,385.08 × 264,816.80
  4. Step 4: Simplify right side
    442,260.80x = 175,675,514,053.34
  5. Step 5: Solve for x
    x = 175,675,514,053.34/442,260.80
  6. Step 6: Final answer
    x = 397,221.54

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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.