Home / 875,851.94-1,313,147.09-538,194.86

Finding the Fourth Proportional to 875,851.94, 1,313,147.09 and 538,194.86

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Solution

The fourth proportional to 875,851.94, 1,313,147.09 and 538,194.86 is: 806,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,851.94 : 1,313,147.09 = 538,194.86 : x
  2. Step 2: Convert to fraction form
    875,851.94/1,313,147.09 = 538,194.86/x
  3. Step 3: Cross multiply
    875,851.94x = 1,313,147.09 × 538,194.86
  4. Step 4: Simplify right side
    875,851.94x = 706,729,009,041.71
  5. Step 5: Solve for x
    x = 706,729,009,041.71/875,851.94
  6. Step 6: Final answer
    x = 806,904.65

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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.