Home / 800,975.96-1,201,310.81-240,010.46

Finding the Fourth Proportional to 800,975.96, 1,201,310.81 and 240,010.46

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Solution

The fourth proportional to 800,975.96, 1,201,310.81 and 240,010.46 is: 359,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,975.96 : 1,201,310.81 = 240,010.46 : x
  2. Step 2: Convert to fraction form
    800,975.96/1,201,310.81 = 240,010.46/x
  3. Step 3: Cross multiply
    800,975.96x = 1,201,310.81 × 240,010.46
  4. Step 4: Simplify right side
    800,975.96x = 288,327,152,904.47
  5. Step 5: Solve for x
    x = 288,327,152,904.47/800,975.96
  6. Step 6: Final answer
    x = 359,969.80

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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.