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Finding the Fourth Proportional to 480,249.66, 662,770.05 and 276,331.59

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Solution

The fourth proportional to 480,249.66, 662,770.05 and 276,331.59 is: 381,352.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,249.66 : 662,770.05 = 276,331.59 : x
  2. Step 2: Convert to fraction form
    480,249.66/662,770.05 = 276,331.59/x
  3. Step 3: Cross multiply
    480,249.66x = 662,770.05 × 276,331.59
  4. Step 4: Simplify right side
    480,249.66x = 183,144,301,720.88
  5. Step 5: Solve for x
    x = 183,144,301,720.88/480,249.66
  6. Step 6: Final answer
    x = 381,352.28

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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.