Home / 800,487.40-1,201,012.38-500,627.56

Finding the Fourth Proportional to 800,487.40, 1,201,012.38 and 500,627.56

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Solution

The fourth proportional to 800,487.40, 1,201,012.38 and 500,627.56 is: 751,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,487.40 : 1,201,012.38 = 500,627.56 : x
  2. Step 2: Convert to fraction form
    800,487.40/1,201,012.38 = 500,627.56/x
  3. Step 3: Cross multiply
    800,487.40x = 1,201,012.38 × 500,627.56
  4. Step 4: Simplify right side
    800,487.40x = 601,259,897,329.19
  5. Step 5: Solve for x
    x = 601,259,897,329.19/800,487.40
  6. Step 6: Final answer
    x = 751,117.25

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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.