Home / 873,800.75-1,310,899.63-266,643.33

Finding the Fourth Proportional to 873,800.75, 1,310,899.63 and 266,643.33

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Solution

The fourth proportional to 873,800.75, 1,310,899.63 and 266,643.33 is: 400,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,800.75 : 1,310,899.63 = 266,643.33 : x
  2. Step 2: Convert to fraction form
    873,800.75/1,310,899.63 = 266,643.33/x
  3. Step 3: Cross multiply
    873,800.75x = 1,310,899.63 × 266,643.33
  4. Step 4: Simplify right side
    873,800.75x = 349,542,642,638.97
  5. Step 5: Solve for x
    x = 349,542,642,638.97/873,800.75
  6. Step 6: Final answer
    x = 400,025.57

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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.