Home / 480,520.36-663,119.22-276,583.96

Finding the Fourth Proportional to 480,520.36, 663,119.22 and 276,583.96

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Solution

The fourth proportional to 480,520.36, 663,119.22 and 276,583.96 is: 381,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,520.36 : 663,119.22 = 276,583.96 : x
  2. Step 2: Convert to fraction form
    480,520.36/663,119.22 = 276,583.96/x
  3. Step 3: Cross multiply
    480,520.36x = 663,119.22 × 276,583.96
  4. Step 4: Simplify right side
    480,520.36x = 183,408,139,819.71
  5. Step 5: Solve for x
    x = 183,408,139,819.71/480,520.36
  6. Step 6: Final answer
    x = 381,686.51

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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.