Home / 897,416.61-1,345,833.56-298,216.77

Finding the Fourth Proportional to 897,416.61, 1,345,833.56 and 298,216.77

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Solution

The fourth proportional to 897,416.61, 1,345,833.56 and 298,216.77 is: 447,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,416.61 : 1,345,833.56 = 298,216.77 : x
  2. Step 2: Convert to fraction form
    897,416.61/1,345,833.56 = 298,216.77/x
  3. Step 3: Cross multiply
    897,416.61x = 1,345,833.56 × 298,216.77
  4. Step 4: Simplify right side
    897,416.61x = 401,350,135,729.72
  5. Step 5: Solve for x
    x = 401,350,135,729.72/897,416.61
  6. Step 6: Final answer
    x = 447,228.33

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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.