Home / 807,632.10-1,211,229.45-239,012.10

Finding the Fourth Proportional to 807,632.10, 1,211,229.45 and 239,012.10

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Solution

The fourth proportional to 807,632.10, 1,211,229.45 and 239,012.10 is: 358,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,632.10 : 1,211,229.45 = 239,012.10 : x
  2. Step 2: Convert to fraction form
    807,632.10/1,211,229.45 = 239,012.10/x
  3. Step 3: Cross multiply
    807,632.10x = 1,211,229.45 × 239,012.10
  4. Step 4: Simplify right side
    807,632.10x = 289,498,494,426.35
  5. Step 5: Solve for x
    x = 289,498,494,426.35/807,632.10
  6. Step 6: Final answer
    x = 358,453.43

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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.