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Finding the Fourth Proportional to 662,635.20, 993,175.20 and 283,555.20

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Solution

The fourth proportional to 662,635.20, 993,175.20 and 283,555.20 is: 425,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,635.20 : 993,175.20 = 283,555.20 : x
  2. Step 2: Convert to fraction form
    662,635.20/993,175.20 = 283,555.20/x
  3. Step 3: Cross multiply
    662,635.20x = 993,175.20 × 283,555.20
  4. Step 4: Simplify right side
    662,635.20x = 281,619,992,471.04
  5. Step 5: Solve for x
    x = 281,619,992,471.04/662,635.20
  6. Step 6: Final answer
    x = 425,000.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.