Home / 823,053.68-1,234,698.81-254,479.10

Finding the Fourth Proportional to 823,053.68, 1,234,698.81 and 254,479.10

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Solution

The fourth proportional to 823,053.68, 1,234,698.81 and 254,479.10 is: 381,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,053.68 : 1,234,698.81 = 254,479.10 : x
  2. Step 2: Convert to fraction form
    823,053.68/1,234,698.81 = 254,479.10/x
  3. Step 3: Cross multiply
    823,053.68x = 1,234,698.81 × 254,479.10
  4. Step 4: Simplify right side
    823,053.68x = 314,205,041,939.87
  5. Step 5: Solve for x
    x = 314,205,041,939.87/823,053.68
  6. Step 6: Final answer
    x = 381,755.22

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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.