Home / 899,015.20-1,348,719.72-338,049.70

Finding the Fourth Proportional to 899,015.20, 1,348,719.72 and 338,049.70

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Solution

The fourth proportional to 899,015.20, 1,348,719.72 and 338,049.70 is: 507,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,015.20 : 1,348,719.72 = 338,049.70 : x
  2. Step 2: Convert to fraction form
    899,015.20/1,348,719.72 = 338,049.70/x
  3. Step 3: Cross multiply
    899,015.20x = 1,348,719.72 × 338,049.70
  4. Step 4: Simplify right side
    899,015.20x = 455,934,296,730.08
  5. Step 5: Solve for x
    x = 455,934,296,730.08/899,015.20
  6. Step 6: Final answer
    x = 507,148.60

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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.