Home / 952,711.26-1,428,059.25-312,846.90

Finding the Fourth Proportional to 952,711.26, 1,428,059.25 and 312,846.90

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Solution

The fourth proportional to 952,711.26, 1,428,059.25 and 312,846.90 is: 468,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,711.26 : 1,428,059.25 = 312,846.90 : x
  2. Step 2: Convert to fraction form
    952,711.26/1,428,059.25 = 312,846.90/x
  3. Step 3: Cross multiply
    952,711.26x = 1,428,059.25 × 312,846.90
  4. Step 4: Simplify right side
    952,711.26x = 446,763,909,378.83
  5. Step 5: Solve for x
    x = 446,763,909,378.83/952,711.26
  6. Step 6: Final answer
    x = 468,939.47

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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.