Home / 952,516.50-1,428,918.50-278,513.17

Finding the Fourth Proportional to 952,516.50, 1,428,918.50 and 278,513.17

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Solution

The fourth proportional to 952,516.50, 1,428,918.50 and 278,513.17 is: 417,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,516.50 : 1,428,918.50 = 278,513.17 : x
  2. Step 2: Convert to fraction form
    952,516.50/1,428,918.50 = 278,513.17/x
  3. Step 3: Cross multiply
    952,516.50x = 1,428,918.50 × 278,513.17
  4. Step 4: Simplify right side
    952,516.50x = 397,972,621,106.65
  5. Step 5: Solve for x
    x = 397,972,621,106.65/952,516.50
  6. Step 6: Final answer
    x = 417,811.79

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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.