Home / 725,830.83-1,088,675.89-220,396.25

Finding the Fourth Proportional to 725,830.83, 1,088,675.89 and 220,396.25

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Solution

The fourth proportional to 725,830.83, 1,088,675.89 and 220,396.25 is: 330,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,830.83 : 1,088,675.89 = 220,396.25 : x
  2. Step 2: Convert to fraction form
    725,830.83/1,088,675.89 = 220,396.25/x
  3. Step 3: Cross multiply
    725,830.83x = 1,088,675.89 × 220,396.25
  4. Step 4: Simplify right side
    725,830.83x = 239,940,082,536.06
  5. Step 5: Solve for x
    x = 239,940,082,536.06/725,830.83
  6. Step 6: Final answer
    x = 330,573.01

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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.