Home / 772,151.40-1,158,399.90-298,794.60

Finding the Fourth Proportional to 772,151.40, 1,158,399.90 and 298,794.60

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Solution

The fourth proportional to 772,151.40, 1,158,399.90 and 298,794.60 is: 448,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,151.40 : 1,158,399.90 = 298,794.60 : x
  2. Step 2: Convert to fraction form
    772,151.40/1,158,399.90 = 298,794.60/x
  3. Step 3: Cross multiply
    772,151.40x = 1,158,399.90 × 298,794.60
  4. Step 4: Simplify right side
    772,151.40x = 346,123,634,760.54
  5. Step 5: Solve for x
    x = 346,123,634,760.54/772,151.40
  6. Step 6: Final answer
    x = 448,258.77

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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.