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Finding the Fourth Proportional to 480,449.54, 662,988.82 and 276,467.55

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Solution

The fourth proportional to 480,449.54, 662,988.82 and 276,467.55 is: 381,507.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,449.54 : 662,988.82 = 276,467.55 : x
  2. Step 2: Convert to fraction form
    480,449.54/662,988.82 = 276,467.55/x
  3. Step 3: Cross multiply
    480,449.54x = 662,988.82 × 276,467.55
  4. Step 4: Simplify right side
    480,449.54x = 183,294,898,455.32
  5. Step 5: Solve for x
    x = 183,294,898,455.32/480,449.54
  6. Step 6: Final answer
    x = 381,507.08

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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.