Home / 989,922.08-1,366,080.72-582,286.88

Finding the Fourth Proportional to 989,922.08, 1,366,080.72 and 582,286.88

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Solution

The fourth proportional to 989,922.08, 1,366,080.72 and 582,286.88 is: 803,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,922.08 : 1,366,080.72 = 582,286.88 : x
  2. Step 2: Convert to fraction form
    989,922.08/1,366,080.72 = 582,286.88/x
  3. Step 3: Cross multiply
    989,922.08x = 1,366,080.72 × 582,286.88
  4. Step 4: Simplify right side
    989,922.08x = 795,450,880,276.95
  5. Step 5: Solve for x
    x = 795,450,880,276.95/989,922.08
  6. Step 6: Final answer
    x = 803,548.98

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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.