Home / 897,396.32-1,345,803.21-298,196.66

Finding the Fourth Proportional to 897,396.32, 1,345,803.21 and 298,196.66

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Solution

The fourth proportional to 897,396.32, 1,345,803.21 and 298,196.66 is: 447,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,396.32 : 1,345,803.21 = 298,196.66 : x
  2. Step 2: Convert to fraction form
    897,396.32/1,345,803.21 = 298,196.66/x
  3. Step 3: Cross multiply
    897,396.32x = 1,345,803.21 × 298,196.66
  4. Step 4: Simplify right side
    897,396.32x = 401,314,022,239.28
  5. Step 5: Solve for x
    x = 401,314,022,239.28/897,396.32
  6. Step 6: Final answer
    x = 447,198.20

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Double scale
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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.