Home / 821,846.91-1,134,145.42-459,270.68

Finding the Fourth Proportional to 821,846.91, 1,134,145.42 and 459,270.68

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Solution

The fourth proportional to 821,846.91, 1,134,145.42 and 459,270.68 is: 633,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,846.91 : 1,134,145.42 = 459,270.68 : x
  2. Step 2: Convert to fraction form
    821,846.91/1,134,145.42 = 459,270.68/x
  3. Step 3: Cross multiply
    821,846.91x = 1,134,145.42 × 459,270.68
  4. Step 4: Simplify right side
    821,846.91x = 520,879,742,304.43
  5. Step 5: Solve for x
    x = 520,879,742,304.43/821,846.91
  6. Step 6: Final answer
    x = 633,791.69

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1.5x scale

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.