Home / 898,855.70-1,348,288.60-299,815.20

Finding the Fourth Proportional to 898,855.70, 1,348,288.60 and 299,815.20

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Solution

The fourth proportional to 898,855.70, 1,348,288.60 and 299,815.20 is: 449,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,855.70 : 1,348,288.60 = 299,815.20 : x
  2. Step 2: Convert to fraction form
    898,855.70/1,348,288.60 = 299,815.20/x
  3. Step 3: Cross multiply
    898,855.70x = 1,348,288.60 × 299,815.20
  4. Step 4: Simplify right side
    898,855.70x = 404,237,416,266.72
  5. Step 5: Solve for x
    x = 404,237,416,266.72/898,855.70
  6. Step 6: Final answer
    x = 449,724.48

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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.