Home / 990,356.27-1,366,697.31-582,475.28

Finding the Fourth Proportional to 990,356.27, 1,366,697.31 and 582,475.28

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Solution

The fourth proportional to 990,356.27, 1,366,697.31 and 582,475.28 is: 803,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,356.27 : 1,366,697.31 = 582,475.28 : x
  2. Step 2: Convert to fraction form
    990,356.27/1,366,697.31 = 582,475.28/x
  3. Step 3: Cross multiply
    990,356.27x = 1,366,697.31 × 582,475.28
  4. Step 4: Simplify right side
    990,356.27x = 796,067,398,317.50
  5. Step 5: Solve for x
    x = 796,067,398,317.50/990,356.27
  6. Step 6: Final answer
    x = 803,819.21

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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.