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Finding the Fourth Proportional to 480,380.10, 662,906.83 and 276,462.39

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Solution

The fourth proportional to 480,380.10, 662,906.83 and 276,462.39 is: 381,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,380.10 : 662,906.83 = 276,462.39 : x
  2. Step 2: Convert to fraction form
    480,380.10/662,906.83 = 276,462.39/x
  3. Step 3: Cross multiply
    480,380.10x = 662,906.83 × 276,462.39
  4. Step 4: Simplify right side
    480,380.10x = 183,268,806,569.12
  5. Step 5: Solve for x
    x = 183,268,806,569.12/480,380.10
  6. Step 6: Final answer
    x = 381,507.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.