Home / 752,680.32-1,038,226.39-446,539.96

Finding the Fourth Proportional to 752,680.32, 1,038,226.39 and 446,539.96

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Solution

The fourth proportional to 752,680.32, 1,038,226.39 and 446,539.96 is: 615,944.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,680.32 : 1,038,226.39 = 446,539.96 : x
  2. Step 2: Convert to fraction form
    752,680.32/1,038,226.39 = 446,539.96/x
  3. Step 3: Cross multiply
    752,680.32x = 1,038,226.39 × 446,539.96
  4. Step 4: Simplify right side
    752,680.32x = 463,609,570,661.54
  5. Step 5: Solve for x
    x = 463,609,570,661.54/752,680.32
  6. Step 6: Final answer
    x = 615,944.86

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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.