Home / 777,876.07-1,166,544.25-272,425.90

Finding the Fourth Proportional to 777,876.07, 1,166,544.25 and 272,425.90

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Solution

The fourth proportional to 777,876.07, 1,166,544.25 and 272,425.90 is: 408,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,876.07 : 1,166,544.25 = 272,425.90 : x
  2. Step 2: Convert to fraction form
    777,876.07/1,166,544.25 = 272,425.90/x
  3. Step 3: Cross multiply
    777,876.07x = 1,166,544.25 × 272,425.90
  4. Step 4: Simplify right side
    777,876.07x = 317,796,863,598.65
  5. Step 5: Solve for x
    x = 317,796,863,598.65/777,876.07
  6. Step 6: Final answer
    x = 408,544.34

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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.