Home / 823,172.52-1,234,806.46-317,736.20

Finding the Fourth Proportional to 823,172.52, 1,234,806.46 and 317,736.20

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Solution

The fourth proportional to 823,172.52, 1,234,806.46 and 317,736.20 is: 476,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,172.52 : 1,234,806.46 = 317,736.20 : x
  2. Step 2: Convert to fraction form
    823,172.52/1,234,806.46 = 317,736.20/x
  3. Step 3: Cross multiply
    823,172.52x = 1,234,806.46 × 317,736.20
  4. Step 4: Simplify right side
    823,172.52x = 392,342,712,335.85
  5. Step 5: Solve for x
    x = 392,342,712,335.85/823,172.52
  6. Step 6: Final answer
    x = 476,622.70

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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.