Home / 673,161.63-1,008,816.26-288,449.96

Finding the Fourth Proportional to 673,161.63, 1,008,816.26 and 288,449.96

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Solution

The fourth proportional to 673,161.63, 1,008,816.26 and 288,449.96 is: 432,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,161.63 : 1,008,816.26 = 288,449.96 : x
  2. Step 2: Convert to fraction form
    673,161.63/1,008,816.26 = 288,449.96/x
  3. Step 3: Cross multiply
    673,161.63x = 1,008,816.26 × 288,449.96
  4. Step 4: Simplify right side
    673,161.63x = 290,993,003,358.02
  5. Step 5: Solve for x
    x = 290,993,003,358.02/673,161.63
  6. Step 6: Final answer
    x = 432,278.06

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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.