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Finding the Fourth Proportional to 480,057.09, 662,498.91 and 276,108.08

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Solution

The fourth proportional to 480,057.09, 662,498.91 and 276,108.08 is: 381,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,057.09 : 662,498.91 = 276,108.08 : x
  2. Step 2: Convert to fraction form
    480,057.09/662,498.91 = 276,108.08/x
  3. Step 3: Cross multiply
    480,057.09x = 662,498.91 × 276,108.08
  4. Step 4: Simplify right side
    480,057.09x = 182,921,298,729.70
  5. Step 5: Solve for x
    x = 182,921,298,729.70/480,057.09
  6. Step 6: Final answer
    x = 381,040.72

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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.