Home / 897,379.40-1,345,777.74-298,179.64

Finding the Fourth Proportional to 897,379.40, 1,345,777.74 and 298,179.64

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Solution

The fourth proportional to 897,379.40, 1,345,777.74 and 298,179.64 is: 447,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,379.40 : 1,345,777.74 = 298,179.64 : x
  2. Step 2: Convert to fraction form
    897,379.40/1,345,777.74 = 298,179.64/x
  3. Step 3: Cross multiply
    897,379.40x = 1,345,777.74 × 298,179.64
  4. Step 4: Simplify right side
    897,379.40x = 401,283,522,033.21
  5. Step 5: Solve for x
    x = 401,283,522,033.21/897,379.40
  6. Step 6: Final answer
    x = 447,172.65

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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.