Home / 855,171.42-1,179,949.11-510,955.65

Finding the Fourth Proportional to 855,171.42, 1,179,949.11 and 510,955.65

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Solution

The fourth proportional to 855,171.42, 1,179,949.11 and 510,955.65 is: 705,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,171.42 : 1,179,949.11 = 510,955.65 : x
  2. Step 2: Convert to fraction form
    855,171.42/1,179,949.11 = 510,955.65/x
  3. Step 3: Cross multiply
    855,171.42x = 1,179,949.11 × 510,955.65
  4. Step 4: Simplify right side
    855,171.42x = 602,901,664,466.97
  5. Step 5: Solve for x
    x = 602,901,664,466.97/855,171.42
  6. Step 6: Final answer
    x = 705,006.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.