Home / 426,452.72-585,412.55-422,467.52

Finding the Fourth Proportional to 426,452.72, 585,412.55 and 422,467.52

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Solution

The fourth proportional to 426,452.72, 585,412.55 and 422,467.52 is: 579,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,452.72 : 585,412.55 = 422,467.52 : x
  2. Step 2: Convert to fraction form
    426,452.72/585,412.55 = 422,467.52/x
  3. Step 3: Cross multiply
    426,452.72x = 585,412.55 × 422,467.52
  4. Step 4: Simplify right side
    426,452.72x = 247,317,784,720.23
  5. Step 5: Solve for x
    x = 247,317,784,720.23/426,452.72
  6. Step 6: Final answer
    x = 579,941.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.