Home / 875,846.71-1,313,139.52-538,189.75

Finding the Fourth Proportional to 875,846.71, 1,313,139.52 and 538,189.75

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Solution

The fourth proportional to 875,846.71, 1,313,139.52 and 538,189.75 is: 806,897.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,846.71 : 1,313,139.52 = 538,189.75 : x
  2. Step 2: Convert to fraction form
    875,846.71/1,313,139.52 = 538,189.75/x
  3. Step 3: Cross multiply
    875,846.71x = 1,313,139.52 × 538,189.75
  4. Step 4: Simplify right side
    875,846.71x = 706,718,229,983.92
  5. Step 5: Solve for x
    x = 706,718,229,983.92/875,846.71
  6. Step 6: Final answer
    x = 806,897.17

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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.