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Finding the Fourth Proportional to 480,489.71, 722,044.02 and 256,010.56

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Solution

The fourth proportional to 480,489.71, 722,044.02 and 256,010.56 is: 384,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,489.71 : 722,044.02 = 256,010.56 : x
  2. Step 2: Convert to fraction form
    480,489.71/722,044.02 = 256,010.56/x
  3. Step 3: Cross multiply
    480,489.71x = 722,044.02 × 256,010.56
  4. Step 4: Simplify right side
    480,489.71x = 184,850,893,059.78
  5. Step 5: Solve for x
    x = 184,850,893,059.78/480,489.71
  6. Step 6: Final answer
    x = 384,713.54

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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.