Home / 534,012.20-800,046.30-422,426.60

Finding the Fourth Proportional to 534,012.20, 800,046.30 and 422,426.60

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Solution

The fourth proportional to 534,012.20, 800,046.30 and 422,426.60 is: 632,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,012.20 : 800,046.30 = 422,426.60 : x
  2. Step 2: Convert to fraction form
    534,012.20/800,046.30 = 422,426.60/x
  3. Step 3: Cross multiply
    534,012.20x = 800,046.30 × 422,426.60
  4. Step 4: Simplify right side
    534,012.20x = 337,960,838,351.58
  5. Step 5: Solve for x
    x = 337,960,838,351.58/534,012.20
  6. Step 6: Final answer
    x = 632,871.01

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1.5x scale

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.