Home / 791,774.94-1,187,479.76-472,016.51

Finding the Fourth Proportional to 791,774.94, 1,187,479.76 and 472,016.51

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Solution

The fourth proportional to 791,774.94, 1,187,479.76 and 472,016.51 is: 707,915.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,774.94 : 1,187,479.76 = 472,016.51 : x
  2. Step 2: Convert to fraction form
    791,774.94/1,187,479.76 = 472,016.51/x
  3. Step 3: Cross multiply
    791,774.94x = 1,187,479.76 × 472,016.51
  4. Step 4: Simplify right side
    791,774.94x = 560,510,043,713.36
  5. Step 5: Solve for x
    x = 560,510,043,713.36/791,774.94
  6. Step 6: Final answer
    x = 707,915.87

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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.