Home / 646,204.11-891,777.30-359,743.56

Finding the Fourth Proportional to 646,204.11, 891,777.30 and 359,743.56

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Solution

The fourth proportional to 646,204.11, 891,777.30 and 359,743.56 is: 496,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,204.11 : 891,777.30 = 359,743.56 : x
  2. Step 2: Convert to fraction form
    646,204.11/891,777.30 = 359,743.56/x
  3. Step 3: Cross multiply
    646,204.11x = 891,777.30 × 359,743.56
  4. Step 4: Simplify right side
    646,204.11x = 320,811,140,629.19
  5. Step 5: Solve for x
    x = 320,811,140,629.19/646,204.11
  6. Step 6: Final answer
    x = 496,454.81

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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.