Home / 900,035.52-1,350,221.40-300,999.81

Finding the Fourth Proportional to 900,035.52, 1,350,221.40 and 300,999.81

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Solution

The fourth proportional to 900,035.52, 1,350,221.40 and 300,999.81 is: 451,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,035.52 : 1,350,221.40 = 300,999.81 : x
  2. Step 2: Convert to fraction form
    900,035.52/1,350,221.40 = 300,999.81/x
  3. Step 3: Cross multiply
    900,035.52x = 1,350,221.40 × 300,999.81
  4. Step 4: Simplify right side
    900,035.52x = 406,416,384,857.93
  5. Step 5: Solve for x
    x = 406,416,384,857.93/900,035.52
  6. Step 6: Final answer
    x = 451,555.94

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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.