Home / 875,838.26-1,313,126.90-538,181.28

Finding the Fourth Proportional to 875,838.26, 1,313,126.90 and 538,181.28

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Solution

The fourth proportional to 875,838.26, 1,313,126.90 and 538,181.28 is: 806,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,838.26 : 1,313,126.90 = 538,181.28 : x
  2. Step 2: Convert to fraction form
    875,838.26/1,313,126.90 = 538,181.28/x
  3. Step 3: Cross multiply
    875,838.26x = 1,313,126.90 × 538,181.28
  4. Step 4: Simplify right side
    875,838.26x = 706,700,315,844.43
  5. Step 5: Solve for x
    x = 706,700,315,844.43/875,838.26
  6. Step 6: Final answer
    x = 806,884.50

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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.