Home / 578,708.78-867,746.04-179,238.65

Finding the Fourth Proportional to 578,708.78, 867,746.04 and 179,238.65

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Solution

The fourth proportional to 578,708.78, 867,746.04 and 179,238.65 is: 268,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,708.78 : 867,746.04 = 179,238.65 : x
  2. Step 2: Convert to fraction form
    578,708.78/867,746.04 = 179,238.65/x
  3. Step 3: Cross multiply
    578,708.78x = 867,746.04 × 179,238.65
  4. Step 4: Simplify right side
    578,708.78x = 155,533,624,413.72
  5. Step 5: Solve for x
    x = 155,533,624,413.72/578,708.78
  6. Step 6: Final answer
    x = 268,759.75

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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.