Home / 658,788.36-988,240.89-185,477.82

Finding the Fourth Proportional to 658,788.36, 988,240.89 and 185,477.82

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Solution

The fourth proportional to 658,788.36, 988,240.89 and 185,477.82 is: 278,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,788.36 : 988,240.89 = 185,477.82 : x
  2. Step 2: Convert to fraction form
    658,788.36/988,240.89 = 185,477.82/x
  3. Step 3: Cross multiply
    658,788.36x = 988,240.89 × 185,477.82
  4. Step 4: Simplify right side
    658,788.36x = 183,296,765,912.06
  5. Step 5: Solve for x
    x = 183,296,765,912.06/658,788.36
  6. Step 6: Final answer
    x = 278,233.16

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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.