Home / 804,850.68-1,109,584.15-642,059.72

Finding the Fourth Proportional to 804,850.68, 1,109,584.15 and 642,059.72

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Solution

The fourth proportional to 804,850.68, 1,109,584.15 and 642,059.72 is: 885,157.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,850.68 : 1,109,584.15 = 642,059.72 : x
  2. Step 2: Convert to fraction form
    804,850.68/1,109,584.15 = 642,059.72/x
  3. Step 3: Cross multiply
    804,850.68x = 1,109,584.15 × 642,059.72
  4. Step 4: Simplify right side
    804,850.68x = 712,419,282,152.68
  5. Step 5: Solve for x
    x = 712,419,282,152.68/804,850.68
  6. Step 6: Final answer
    x = 885,157.08

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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.