Home / 990,743.40-1,367,550.54-582,824.16

Finding the Fourth Proportional to 990,743.40, 1,367,550.54 and 582,824.16

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Solution

The fourth proportional to 990,743.40, 1,367,550.54 and 582,824.16 is: 804,488.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,743.40 : 1,367,550.54 = 582,824.16 : x
  2. Step 2: Convert to fraction form
    990,743.40/1,367,550.54 = 582,824.16/x
  3. Step 3: Cross multiply
    990,743.40x = 1,367,550.54 × 582,824.16
  4. Step 4: Simplify right side
    990,743.40x = 797,041,494,733.05
  5. Step 5: Solve for x
    x = 797,041,494,733.05/990,743.40
  6. Step 6: Final answer
    x = 804,488.32

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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.