Home / 791,357.94-1,185,791.82-611,881.74

Finding the Fourth Proportional to 791,357.94, 1,185,791.82 and 611,881.74

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Solution

The fourth proportional to 791,357.94, 1,185,791.82 and 611,881.74 is: 916,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,357.94 : 1,185,791.82 = 611,881.74 : x
  2. Step 2: Convert to fraction form
    791,357.94/1,185,791.82 = 611,881.74/x
  3. Step 3: Cross multiply
    791,357.94x = 1,185,791.82 × 611,881.74
  4. Step 4: Simplify right side
    791,357.94x = 725,564,362,099.37
  5. Step 5: Solve for x
    x = 725,564,362,099.37/791,357.94
  6. Step 6: Final answer
    x = 916,859.90

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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.