Home / 752,528.30-1,128,792.45-303,464.30

Finding the Fourth Proportional to 752,528.30, 1,128,792.45 and 303,464.30

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Solution

The fourth proportional to 752,528.30, 1,128,792.45 and 303,464.30 is: 455,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,528.30 : 1,128,792.45 = 303,464.30 : x
  2. Step 2: Convert to fraction form
    752,528.30/1,128,792.45 = 303,464.30/x
  3. Step 3: Cross multiply
    752,528.30x = 1,128,792.45 × 303,464.30
  4. Step 4: Simplify right side
    752,528.30x = 342,548,210,684.54
  5. Step 5: Solve for x
    x = 342,548,210,684.54/752,528.30
  6. Step 6: Final answer
    x = 455,196.45

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Double scale
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Similar ratio
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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.