Home / 864,228.41-1,296,921.20-358,789.81

Finding the Fourth Proportional to 864,228.41, 1,296,921.20 and 358,789.81

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Solution

The fourth proportional to 864,228.41, 1,296,921.20 and 358,789.81 is: 538,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,228.41 : 1,296,921.20 = 358,789.81 : x
  2. Step 2: Convert to fraction form
    864,228.41/1,296,921.20 = 358,789.81/x
  3. Step 3: Cross multiply
    864,228.41x = 1,296,921.20 × 358,789.81
  4. Step 4: Simplify right side
    864,228.41x = 465,322,110,932.97
  5. Step 5: Solve for x
    x = 465,322,110,932.97/864,228.41
  6. Step 6: Final answer
    x = 538,424.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.