Home / 899,981-1,350,043.20-300,945.92

Finding the Fourth Proportional to 899,981, 1,350,043.20 and 300,945.92

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Solution

The fourth proportional to 899,981, 1,350,043.20 and 300,945.92 is: 451,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,981 : 1,350,043.20 = 300,945.92 : x
  2. Step 2: Convert to fraction form
    899,981/1,350,043.20 = 300,945.92/x
  3. Step 3: Cross multiply
    899,981x = 1,350,043.20 × 300,945.92
  4. Step 4: Simplify right side
    899,981x = 406,289,992,863.74
  5. Step 5: Solve for x
    x = 406,289,992,863.74/899,981
  6. Step 6: Final answer
    x = 451,442.86

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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.