Home / 872,955.16-1,309,488.09-273,939.94

Finding the Fourth Proportional to 872,955.16, 1,309,488.09 and 273,939.94

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Solution

The fourth proportional to 872,955.16, 1,309,488.09 and 273,939.94 is: 410,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,955.16 : 1,309,488.09 = 273,939.94 : x
  2. Step 2: Convert to fraction form
    872,955.16/1,309,488.09 = 273,939.94/x
  3. Step 3: Cross multiply
    872,955.16x = 1,309,488.09 × 273,939.94
  4. Step 4: Simplify right side
    872,955.16x = 358,721,089,414.90
  5. Step 5: Solve for x
    x = 358,721,089,414.90/872,955.16
  6. Step 6: Final answer
    x = 410,927.28

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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.