Home / 719,108.76-1,078,382.77-269,584.57

Finding the Fourth Proportional to 719,108.76, 1,078,382.77 and 269,584.57

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Solution

The fourth proportional to 719,108.76, 1,078,382.77 and 269,584.57 is: 404,271.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,108.76 : 1,078,382.77 = 269,584.57 : x
  2. Step 2: Convert to fraction form
    719,108.76/1,078,382.77 = 269,584.57/x
  3. Step 3: Cross multiply
    719,108.76x = 1,078,382.77 × 269,584.57
  4. Step 4: Simplify right side
    719,108.76x = 290,715,355,345.86
  5. Step 5: Solve for x
    x = 290,715,355,345.86/719,108.76
  6. Step 6: Final answer
    x = 404,271.75

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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.