Home / 744,896.40-1,117,258.20-212,499.60

Finding the Fourth Proportional to 744,896.40, 1,117,258.20 and 212,499.60

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Solution

The fourth proportional to 744,896.40, 1,117,258.20 and 212,499.60 is: 318,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,896.40 : 1,117,258.20 = 212,499.60 : x
  2. Step 2: Convert to fraction form
    744,896.40/1,117,258.20 = 212,499.60/x
  3. Step 3: Cross multiply
    744,896.40x = 1,117,258.20 × 212,499.60
  4. Step 4: Simplify right side
    744,896.40x = 237,416,920,596.72
  5. Step 5: Solve for x
    x = 237,416,920,596.72/744,896.40
  6. Step 6: Final answer
    x = 318,724.75

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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.