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Finding the Fourth Proportional to 500,453.12, 750,673.15 and 200,928.28

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Solution

The fourth proportional to 500,453.12, 750,673.15 and 200,928.28 is: 301,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,453.12 : 750,673.15 = 200,928.28 : x
  2. Step 2: Convert to fraction form
    500,453.12/750,673.15 = 200,928.28/x
  3. Step 3: Cross multiply
    500,453.12x = 750,673.15 × 200,928.28
  4. Step 4: Simplify right side
    500,453.12x = 150,831,464,871.68
  5. Step 5: Solve for x
    x = 150,831,464,871.68/500,453.12
  6. Step 6: Final answer
    x = 301,389.80

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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.