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Finding the Fourth Proportional to 480,498.41, 663,254.78 and 276,630.57

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Solution

The fourth proportional to 480,498.41, 663,254.78 and 276,630.57 is: 381,846.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,498.41 : 663,254.78 = 276,630.57 : x
  2. Step 2: Convert to fraction form
    480,498.41/663,254.78 = 276,630.57/x
  3. Step 3: Cross multiply
    480,498.41x = 663,254.78 × 276,630.57
  4. Step 4: Simplify right side
    480,498.41x = 183,476,546,463.47
  5. Step 5: Solve for x
    x = 183,476,546,463.47/480,498.41
  6. Step 6: Final answer
    x = 381,846.31

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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.