Home / 559,788.14-772,507.66-305,139.33

Finding the Fourth Proportional to 559,788.14, 772,507.66 and 305,139.33

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Solution

The fourth proportional to 559,788.14, 772,507.66 and 305,139.33 is: 421,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,788.14 : 772,507.66 = 305,139.33 : x
  2. Step 2: Convert to fraction form
    559,788.14/772,507.66 = 305,139.33/x
  3. Step 3: Cross multiply
    559,788.14x = 772,507.66 × 305,139.33
  4. Step 4: Simplify right side
    559,788.14x = 235,722,469,792.27
  5. Step 5: Solve for x
    x = 235,722,469,792.27/559,788.14
  6. Step 6: Final answer
    x = 421,092.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.