Home / 875,515.36-1,313,313.24-268,260.16

Finding the Fourth Proportional to 875,515.36, 1,313,313.24 and 268,260.16

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Solution

The fourth proportional to 875,515.36, 1,313,313.24 and 268,260.16 is: 402,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,515.36 : 1,313,313.24 = 268,260.16 : x
  2. Step 2: Convert to fraction form
    875,515.36/1,313,313.24 = 268,260.16/x
  3. Step 3: Cross multiply
    875,515.36x = 1,313,313.24 × 268,260.16
  4. Step 4: Simplify right side
    875,515.36x = 352,309,619,892.52
  5. Step 5: Solve for x
    x = 352,309,619,892.52/875,515.36
  6. Step 6: Final answer
    x = 402,402.56

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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.