Home / 690,204.82-1,035,556.34-240,991.86

Finding the Fourth Proportional to 690,204.82, 1,035,556.34 and 240,991.86

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Solution

The fourth proportional to 690,204.82, 1,035,556.34 and 240,991.86 is: 361,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,204.82 : 1,035,556.34 = 240,991.86 : x
  2. Step 2: Convert to fraction form
    690,204.82/1,035,556.34 = 240,991.86/x
  3. Step 3: Cross multiply
    690,204.82x = 1,035,556.34 × 240,991.86
  4. Step 4: Simplify right side
    690,204.82x = 249,560,648,511.39
  5. Step 5: Solve for x
    x = 249,560,648,511.39/690,204.82
  6. Step 6: Final answer
    x = 361,574.77

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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.