Home / 817,340.43-1,226,017.49-284,860.61

Finding the Fourth Proportional to 817,340.43, 1,226,017.49 and 284,860.61

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Solution

The fourth proportional to 817,340.43, 1,226,017.49 and 284,860.61 is: 427,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,340.43 : 1,226,017.49 = 284,860.61 : x
  2. Step 2: Convert to fraction form
    817,340.43/1,226,017.49 = 284,860.61/x
  3. Step 3: Cross multiply
    817,340.43x = 1,226,017.49 × 284,860.61
  4. Step 4: Simplify right side
    817,340.43x = 349,244,087,115.24
  5. Step 5: Solve for x
    x = 349,244,087,115.24/817,340.43
  6. Step 6: Final answer
    x = 427,293.30

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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.