Home / 791,287.81-1,187,032.30-251,351.46

Finding the Fourth Proportional to 791,287.81, 1,187,032.30 and 251,351.46

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Solution

The fourth proportional to 791,287.81, 1,187,032.30 and 251,351.46 is: 377,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,287.81 : 1,187,032.30 = 251,351.46 : x
  2. Step 2: Convert to fraction form
    791,287.81/1,187,032.30 = 251,351.46/x
  3. Step 3: Cross multiply
    791,287.81x = 1,187,032.30 × 251,351.46
  4. Step 4: Simplify right side
    791,287.81x = 298,362,301,672.16
  5. Step 5: Solve for x
    x = 298,362,301,672.16/791,287.81
  6. Step 6: Final answer
    x = 377,059.14

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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.