Home / 480,708.20-720,843.60-256,010.96

Finding the Fourth Proportional to 480,708.20, 720,843.60 and 256,010.96

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Solution

The fourth proportional to 480,708.20, 720,843.60 and 256,010.96 is: 383,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,708.20 : 720,843.60 = 256,010.96 : x
  2. Step 2: Convert to fraction form
    480,708.20/720,843.60 = 256,010.96/x
  3. Step 3: Cross multiply
    480,708.20x = 720,843.60 × 256,010.96
  4. Step 4: Simplify right side
    480,708.20x = 184,543,862,045.86
  5. Step 5: Solve for x
    x = 184,543,862,045.86/480,708.20
  6. Step 6: Final answer
    x = 383,899.97

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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.