Home / 752,183.75-1,038,009.53-408,026.50

Finding the Fourth Proportional to 752,183.75, 1,038,009.53 and 408,026.50

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Solution

The fourth proportional to 752,183.75, 1,038,009.53 and 408,026.50 is: 563,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,183.75 : 1,038,009.53 = 408,026.50 : x
  2. Step 2: Convert to fraction form
    752,183.75/1,038,009.53 = 408,026.50/x
  3. Step 3: Cross multiply
    752,183.75x = 1,038,009.53 × 408,026.50
  4. Step 4: Simplify right side
    752,183.75x = 423,535,393,917.59
  5. Step 5: Solve for x
    x = 423,535,393,917.59/752,183.75
  6. Step 6: Final answer
    x = 563,074.37

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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.