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Finding the Fourth Proportional to 480,543, 663,198.21 and 276,602.46

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Solution

The fourth proportional to 480,543, 663,198.21 and 276,602.46 is: 381,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,543 : 663,198.21 = 276,602.46 : x
  2. Step 2: Convert to fraction form
    480,543/663,198.21 = 276,602.46/x
  3. Step 3: Cross multiply
    480,543x = 663,198.21 × 276,602.46
  4. Step 4: Simplify right side
    480,543x = 183,442,256,353.60
  5. Step 5: Solve for x
    x = 183,442,256,353.60/480,543
  6. Step 6: Final answer
    x = 381,739.52

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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.