Home / 820,034.20-1,230,224.10-346,475.80

Finding the Fourth Proportional to 820,034.20, 1,230,224.10 and 346,475.80

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Solution

The fourth proportional to 820,034.20, 1,230,224.10 and 346,475.80 is: 519,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,034.20 : 1,230,224.10 = 346,475.80 : x
  2. Step 2: Convert to fraction form
    820,034.20/1,230,224.10 = 346,475.80/x
  3. Step 3: Cross multiply
    820,034.20x = 1,230,224.10 × 346,475.80
  4. Step 4: Simplify right side
    820,034.20x = 426,242,879,226.78
  5. Step 5: Solve for x
    x = 426,242,879,226.78/820,034.20
  6. Step 6: Final answer
    x = 519,786.71

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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.