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Finding the Fourth Proportional to 480,454.28, 662,995.30 and 276,472.28

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Solution

The fourth proportional to 480,454.28, 662,995.30 and 276,472.28 is: 381,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,454.28 : 662,995.30 = 276,472.28 : x
  2. Step 2: Convert to fraction form
    480,454.28/662,995.30 = 276,472.28/x
  3. Step 3: Cross multiply
    480,454.28x = 662,995.30 × 276,472.28
  4. Step 4: Simplify right side
    480,454.28x = 183,299,822,220.28
  5. Step 5: Solve for x
    x = 183,299,822,220.28/480,454.28
  6. Step 6: Final answer
    x = 381,513.56

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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.