Home / 802,580.24-1,107,560.48-439,996.32

Finding the Fourth Proportional to 802,580.24, 1,107,560.48 and 439,996.32

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Solution

The fourth proportional to 802,580.24, 1,107,560.48 and 439,996.32 is: 607,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,580.24 : 1,107,560.48 = 439,996.32 : x
  2. Step 2: Convert to fraction form
    802,580.24/1,107,560.48 = 439,996.32/x
  3. Step 3: Cross multiply
    802,580.24x = 1,107,560.48 × 439,996.32
  4. Step 4: Simplify right side
    802,580.24x = 487,322,533,177.45
  5. Step 5: Solve for x
    x = 487,322,533,177.45/802,580.24
  6. Step 6: Final answer
    x = 607,194.78

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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.