Home / 530,974.36-794,589.90-331,388.20

Finding the Fourth Proportional to 530,974.36, 794,589.90 and 331,388.20

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Solution

The fourth proportional to 530,974.36, 794,589.90 and 331,388.20 is: 495,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,974.36 : 794,589.90 = 331,388.20 : x
  2. Step 2: Convert to fraction form
    530,974.36/794,589.90 = 331,388.20/x
  3. Step 3: Cross multiply
    530,974.36x = 794,589.90 × 331,388.20
  4. Step 4: Simplify right side
    530,974.36x = 263,317,716,699.18
  5. Step 5: Solve for x
    x = 263,317,716,699.18/530,974.36
  6. Step 6: Final answer
    x = 495,914.18

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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.