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Finding the Fourth Proportional to 480,472.64, 663,048.54 and 276,563.60

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Solution

The fourth proportional to 480,472.64, 663,048.54 and 276,563.60 is: 381,655.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,472.64 : 663,048.54 = 276,563.60 : x
  2. Step 2: Convert to fraction form
    480,472.64/663,048.54 = 276,563.60/x
  3. Step 3: Cross multiply
    480,472.64x = 663,048.54 × 276,563.60
  4. Step 4: Simplify right side
    480,472.64x = 183,375,091,197.14
  5. Step 5: Solve for x
    x = 183,375,091,197.14/480,472.64
  6. Step 6: Final answer
    x = 381,655.64

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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.