Home / 888,623.64-1,226,294.91-480,723.84

Finding the Fourth Proportional to 888,623.64, 1,226,294.91 and 480,723.84

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Solution

The fourth proportional to 888,623.64, 1,226,294.91 and 480,723.84 is: 663,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,623.64 : 1,226,294.91 = 480,723.84 : x
  2. Step 2: Convert to fraction form
    888,623.64/1,226,294.91 = 480,723.84/x
  3. Step 3: Cross multiply
    888,623.64x = 1,226,294.91 × 480,723.84
  4. Step 4: Simplify right side
    888,623.64x = 589,509,198,107.65
  5. Step 5: Solve for x
    x = 589,509,198,107.65/888,623.64
  6. Step 6: Final answer
    x = 663,395.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.