Home / 752,413.86-1,128,598.92-219,947.40

Finding the Fourth Proportional to 752,413.86, 1,128,598.92 and 219,947.40

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Solution

The fourth proportional to 752,413.86, 1,128,598.92 and 219,947.40 is: 329,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,413.86 : 1,128,598.92 = 219,947.40 : x
  2. Step 2: Convert to fraction form
    752,413.86/1,128,598.92 = 219,947.40/x
  3. Step 3: Cross multiply
    752,413.86x = 1,128,598.92 × 219,947.40
  4. Step 4: Simplify right side
    752,413.86x = 248,232,398,096.81
  5. Step 5: Solve for x
    x = 248,232,398,096.81/752,413.86
  6. Step 6: Final answer
    x = 329,914.71

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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.