Home / 899,989.50-1,350,055.95-300,954.42

Finding the Fourth Proportional to 899,989.50, 1,350,055.95 and 300,954.42

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Solution

The fourth proportional to 899,989.50, 1,350,055.95 and 300,954.42 is: 451,455.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,989.50 : 1,350,055.95 = 300,954.42 : x
  2. Step 2: Convert to fraction form
    899,989.50/1,350,055.95 = 300,954.42/x
  3. Step 3: Cross multiply
    899,989.50x = 1,350,055.95 × 300,954.42
  4. Step 4: Simplify right side
    899,989.50x = 406,305,305,399.80
  5. Step 5: Solve for x
    x = 406,305,305,399.80/899,989.50
  6. Step 6: Final answer
    x = 451,455.61

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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.