Home / 804,820.54-1,110,587.34-465,310.66

Finding the Fourth Proportional to 804,820.54, 1,110,587.34 and 465,310.66

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Solution

The fourth proportional to 804,820.54, 1,110,587.34 and 465,310.66 is: 642,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,820.54 : 1,110,587.34 = 465,310.66 : x
  2. Step 2: Convert to fraction form
    804,820.54/1,110,587.34 = 465,310.66/x
  3. Step 3: Cross multiply
    804,820.54x = 1,110,587.34 × 465,310.66
  4. Step 4: Simplify right side
    804,820.54x = 516,768,128,163.04
  5. Step 5: Solve for x
    x = 516,768,128,163.04/804,820.54
  6. Step 6: Final answer
    x = 642,091.13

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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.