Home / 791,688.71-1,187,534.28-192,646.33

Finding the Fourth Proportional to 791,688.71, 1,187,534.28 and 192,646.33

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Solution

The fourth proportional to 791,688.71, 1,187,534.28 and 192,646.33 is: 288,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,688.71 : 1,187,534.28 = 192,646.33 : x
  2. Step 2: Convert to fraction form
    791,688.71/1,187,534.28 = 192,646.33/x
  3. Step 3: Cross multiply
    791,688.71x = 1,187,534.28 × 192,646.33
  4. Step 4: Simplify right side
    791,688.71x = 228,774,120,791.19
  5. Step 5: Solve for x
    x = 228,774,120,791.19/791,688.71
  6. Step 6: Final answer
    x = 288,969.79

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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.