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Finding the Fourth Proportional to 480,367, 720,524.52 and 243,703.54

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Solution

The fourth proportional to 480,367, 720,524.52 and 243,703.54 is: 365,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,367 : 720,524.52 = 243,703.54 : x
  2. Step 2: Convert to fraction form
    480,367/720,524.52 = 243,703.54/x
  3. Step 3: Cross multiply
    480,367x = 720,524.52 × 243,703.54
  4. Step 4: Simplify right side
    480,367x = 175,594,376,180.80
  5. Step 5: Solve for x
    x = 175,594,376,180.80/480,367
  6. Step 6: Final answer
    x = 365,542.13

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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.