Home / 752,372.48-1,038,198.40-450,558.72

Finding the Fourth Proportional to 752,372.48, 1,038,198.40 and 450,558.72

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Solution

The fourth proportional to 752,372.48, 1,038,198.40 and 450,558.72 is: 621,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,372.48 : 1,038,198.40 = 450,558.72 : x
  2. Step 2: Convert to fraction form
    752,372.48/1,038,198.40 = 450,558.72/x
  3. Step 3: Cross multiply
    752,372.48x = 1,038,198.40 × 450,558.72
  4. Step 4: Simplify right side
    752,372.48x = 467,769,342,210.05
  5. Step 5: Solve for x
    x = 467,769,342,210.05/752,372.48
  6. Step 6: Final answer
    x = 621,725.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.