Home / 767,166.39-1,059,143.22-682,047.90

Finding the Fourth Proportional to 767,166.39, 1,059,143.22 and 682,047.90

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Solution

The fourth proportional to 767,166.39, 1,059,143.22 and 682,047.90 is: 941,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,166.39 : 1,059,143.22 = 682,047.90 : x
  2. Step 2: Convert to fraction form
    767,166.39/1,059,143.22 = 682,047.90/x
  3. Step 3: Cross multiply
    767,166.39x = 1,059,143.22 × 682,047.90
  4. Step 4: Simplify right side
    767,166.39x = 722,386,409,000.24
  5. Step 5: Solve for x
    x = 722,386,409,000.24/767,166.39
  6. Step 6: Final answer
    x = 941,629.38

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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.