Home / 899,008.70-1,348,709.97-338,043.20

Finding the Fourth Proportional to 899,008.70, 1,348,709.97 and 338,043.20

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Solution

The fourth proportional to 899,008.70, 1,348,709.97 and 338,043.20 is: 507,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,008.70 : 1,348,709.97 = 338,043.20 : x
  2. Step 2: Convert to fraction form
    899,008.70/1,348,709.97 = 338,043.20/x
  3. Step 3: Cross multiply
    899,008.70x = 1,348,709.97 × 338,043.20
  4. Step 4: Simplify right side
    899,008.70x = 455,922,234,130.70
  5. Step 5: Solve for x
    x = 455,922,234,130.70/899,008.70
  6. Step 6: Final answer
    x = 507,138.85

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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.