Home / 819,935.84-1,230,081.96-251,319.08

Finding the Fourth Proportional to 819,935.84, 1,230,081.96 and 251,319.08

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Solution

The fourth proportional to 819,935.84, 1,230,081.96 and 251,319.08 is: 377,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,935.84 : 1,230,081.96 = 251,319.08 : x
  2. Step 2: Convert to fraction form
    819,935.84/1,230,081.96 = 251,319.08/x
  3. Step 3: Cross multiply
    819,935.84x = 1,230,081.96 × 251,319.08
  4. Step 4: Simplify right side
    819,935.84x = 309,143,066,511.80
  5. Step 5: Solve for x
    x = 309,143,066,511.80/819,935.84
  6. Step 6: Final answer
    x = 377,033.24

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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.