Home / 727,207.57-1,090,808.37-221,767.07

Finding the Fourth Proportional to 727,207.57, 1,090,808.37 and 221,767.07

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Solution

The fourth proportional to 727,207.57, 1,090,808.37 and 221,767.07 is: 332,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,207.57 : 1,090,808.37 = 221,767.07 : x
  2. Step 2: Convert to fraction form
    727,207.57/1,090,808.37 = 221,767.07/x
  3. Step 3: Cross multiply
    727,207.57x = 1,090,808.37 × 221,767.07
  4. Step 4: Simplify right side
    727,207.57x = 241,905,370,692.33
  5. Step 5: Solve for x
    x = 241,905,370,692.33/727,207.57
  6. Step 6: Final answer
    x = 332,649.69

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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.