Home / 990,371.70-1,366,718.70-582,490.74

Finding the Fourth Proportional to 990,371.70, 1,366,718.70 and 582,490.74

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Solution

The fourth proportional to 990,371.70, 1,366,718.70 and 582,490.74 is: 803,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,371.70 : 1,366,718.70 = 582,490.74 : x
  2. Step 2: Convert to fraction form
    990,371.70/1,366,718.70 = 582,490.74/x
  3. Step 3: Cross multiply
    990,371.70x = 1,366,718.70 × 582,490.74
  4. Step 4: Simplify right side
    990,371.70x = 796,100,986,934.84
  5. Step 5: Solve for x
    x = 796,100,986,934.84/990,371.70
  6. Step 6: Final answer
    x = 803,840.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.