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Finding the Fourth Proportional to 651,305.72, 898,804.26 and 379,559.96

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Solution

The fourth proportional to 651,305.72, 898,804.26 and 379,559.96 is: 523,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,305.72 : 898,804.26 = 379,559.96 : x
  2. Step 2: Convert to fraction form
    651,305.72/898,804.26 = 379,559.96/x
  3. Step 3: Cross multiply
    651,305.72x = 898,804.26 × 379,559.96
  4. Step 4: Simplify right side
    651,305.72x = 341,150,108,973.43
  5. Step 5: Solve for x
    x = 341,150,108,973.43/651,305.72
  6. Step 6: Final answer
    x = 523,794.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.