Home / 669,701.80-1,003,677.90-270,015.40

Finding the Fourth Proportional to 669,701.80, 1,003,677.90 and 270,015.40

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Solution

The fourth proportional to 669,701.80, 1,003,677.90 and 270,015.40 is: 404,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,701.80 : 1,003,677.90 = 270,015.40 : x
  2. Step 2: Convert to fraction form
    669,701.80/1,003,677.90 = 270,015.40/x
  3. Step 3: Cross multiply
    669,701.80x = 1,003,677.90 × 270,015.40
  4. Step 4: Simplify right side
    669,701.80x = 271,008,489,639.66
  5. Step 5: Solve for x
    x = 271,008,489,639.66/669,701.80
  6. Step 6: Final answer
    x = 404,670.39

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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.