Home / 752,183.79-1,038,007.55-408,018.88

Finding the Fourth Proportional to 752,183.79, 1,038,007.55 and 408,018.88

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Solution

The fourth proportional to 752,183.79, 1,038,007.55 and 408,018.88 is: 563,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,183.79 : 1,038,007.55 = 408,018.88 : x
  2. Step 2: Convert to fraction form
    752,183.79/1,038,007.55 = 408,018.88/x
  3. Step 3: Cross multiply
    752,183.79x = 1,038,007.55 × 408,018.88
  4. Step 4: Simplify right side
    752,183.79x = 423,526,670,752.41
  5. Step 5: Solve for x
    x = 423,526,670,752.41/752,183.79
  6. Step 6: Final answer
    x = 563,062.75

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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.