Home / 726,659.13-1,088,413.34-351,896.25

Finding the Fourth Proportional to 726,659.13, 1,088,413.34 and 351,896.25

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Solution

The fourth proportional to 726,659.13, 1,088,413.34 and 351,896.25 is: 527,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,659.13 : 1,088,413.34 = 351,896.25 : x
  2. Step 2: Convert to fraction form
    726,659.13/1,088,413.34 = 351,896.25/x
  3. Step 3: Cross multiply
    726,659.13x = 1,088,413.34 × 351,896.25
  4. Step 4: Simplify right side
    726,659.13x = 383,008,571,036.49
  5. Step 5: Solve for x
    x = 383,008,571,036.49/726,659.13
  6. Step 6: Final answer
    x = 527,081.48

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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.