Home / 990,278.82-1,366,374.56-582,231.74

Finding the Fourth Proportional to 990,278.82, 1,366,374.56 and 582,231.74

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Solution

The fourth proportional to 990,278.82, 1,366,374.56 and 582,231.74 is: 803,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,278.82 : 1,366,374.56 = 582,231.74 : x
  2. Step 2: Convert to fraction form
    990,278.82/1,366,374.56 = 582,231.74/x
  3. Step 3: Cross multiply
    990,278.82x = 1,366,374.56 × 582,231.74
  4. Step 4: Simplify right side
    990,278.82x = 795,546,627,817.50
  5. Step 5: Solve for x
    x = 795,546,627,817.50/990,278.82
  6. Step 6: Final answer
    x = 803,356.20

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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.