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Finding the Fourth Proportional to 480,375.45, 662,969.52 and 276,435.27

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Solution

The fourth proportional to 480,375.45, 662,969.52 and 276,435.27 is: 381,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,375.45 : 662,969.52 = 276,435.27 : x
  2. Step 2: Convert to fraction form
    480,375.45/662,969.52 = 276,435.27/x
  3. Step 3: Cross multiply
    480,375.45x = 662,969.52 × 276,435.27
  4. Step 4: Simplify right side
    480,375.45x = 183,268,158,262.97
  5. Step 5: Solve for x
    x = 183,268,158,262.97/480,375.45
  6. Step 6: Final answer
    x = 381,510.25

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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.