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Finding the Fourth Proportional to 579,804.36, 869,708.16 and 180,458.16

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Solution

The fourth proportional to 579,804.36, 869,708.16 and 180,458.16 is: 270,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,804.36 : 869,708.16 = 180,458.16 : x
  2. Step 2: Convert to fraction form
    579,804.36/869,708.16 = 180,458.16/x
  3. Step 3: Cross multiply
    579,804.36x = 869,708.16 × 180,458.16
  4. Step 4: Simplify right side
    579,804.36x = 156,945,934,290.59
  5. Step 5: Solve for x
    x = 156,945,934,290.59/579,804.36
  6. Step 6: Final answer
    x = 270,687.74

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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.