Home / 816,927.66-1,225,229.49-776,420.46

Finding the Fourth Proportional to 816,927.66, 1,225,229.49 and 776,420.46

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Solution

The fourth proportional to 816,927.66, 1,225,229.49 and 776,420.46 is: 1,164,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,927.66 : 1,225,229.49 = 776,420.46 : x
  2. Step 2: Convert to fraction form
    816,927.66/1,225,229.49 = 776,420.46/x
  3. Step 3: Cross multiply
    816,927.66x = 1,225,229.49 × 776,420.46
  4. Step 4: Simplify right side
    816,927.66x = 951,293,244,231.37
  5. Step 5: Solve for x
    x = 951,293,244,231.37/816,927.66
  6. Step 6: Final answer
    x = 1,164,476.72

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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.