Home / 880,837.00-1,215,534.38-518,284.33

Finding the Fourth Proportional to 880,837.00, 1,215,534.38 and 518,284.33

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Solution

The fourth proportional to 880,837.00, 1,215,534.38 and 518,284.33 is: 715,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,837.00 : 1,215,534.38 = 518,284.33 : x
  2. Step 2: Convert to fraction form
    880,837.00/1,215,534.38 = 518,284.33/x
  3. Step 3: Cross multiply
    880,837.00x = 1,215,534.38 × 518,284.33
  4. Step 4: Simplify right side
    880,837.00x = 629,992,416,100.01
  5. Step 5: Solve for x
    x = 629,992,416,100.01/880,837.00
  6. Step 6: Final answer
    x = 715,220.20

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1.5x scale

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.