Home / 480,415.62-663,039.42-276,462.36

Finding the Fourth Proportional to 480,415.62, 663,039.42 and 276,462.36

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Solution

The fourth proportional to 480,415.62, 663,039.42 and 276,462.36 is: 381,555.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,415.62 : 663,039.42 = 276,462.36 : x
  2. Step 2: Convert to fraction form
    480,415.62/663,039.42 = 276,462.36/x
  3. Step 3: Cross multiply
    480,415.62x = 663,039.42 × 276,462.36
  4. Step 4: Simplify right side
    480,415.62x = 183,305,442,826.23
  5. Step 5: Solve for x
    x = 183,305,442,826.23/480,415.62
  6. Step 6: Final answer
    x = 381,555.96

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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.