Home / 801,122.79-1,200,853.57-500,914.21

Finding the Fourth Proportional to 801,122.79, 1,200,853.57 and 500,914.21

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Solution

The fourth proportional to 801,122.79, 1,200,853.57 and 500,914.21 is: 750,851.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,122.79 : 1,200,853.57 = 500,914.21 : x
  2. Step 2: Convert to fraction form
    801,122.79/1,200,853.57 = 500,914.21/x
  3. Step 3: Cross multiply
    801,122.79x = 1,200,853.57 × 500,914.21
  4. Step 4: Simplify right side
    801,122.79x = 601,524,617,342.23
  5. Step 5: Solve for x
    x = 601,524,617,342.23/801,122.79
  6. Step 6: Final answer
    x = 750,851.96

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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.