Home / 990,864.12-1,367,395.13-582,981.33

Finding the Fourth Proportional to 990,864.12, 1,367,395.13 and 582,981.33

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Solution

The fourth proportional to 990,864.12, 1,367,395.13 and 582,981.33 is: 804,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,864.12 : 1,367,395.13 = 582,981.33 : x
  2. Step 2: Convert to fraction form
    990,864.12/1,367,395.13 = 582,981.33/x
  3. Step 3: Cross multiply
    990,864.12x = 1,367,395.13 × 582,981.33
  4. Step 4: Simplify right side
    990,864.12x = 797,165,832,980.38
  5. Step 5: Solve for x
    x = 797,165,832,980.38/990,864.12
  6. Step 6: Final answer
    x = 804,515.79

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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.