Home / 961,638.09-1,325,520.86-651,446.31

Finding the Fourth Proportional to 961,638.09, 1,325,520.86 and 651,446.31

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Solution

The fourth proportional to 961,638.09, 1,325,520.86 and 651,446.31 is: 897,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,638.09 : 1,325,520.86 = 651,446.31 : x
  2. Step 2: Convert to fraction form
    961,638.09/1,325,520.86 = 651,446.31/x
  3. Step 3: Cross multiply
    961,638.09x = 1,325,520.86 × 651,446.31
  4. Step 4: Simplify right side
    961,638.09x = 863,505,669,817.80
  5. Step 5: Solve for x
    x = 863,505,669,817.80/961,638.09
  6. Step 6: Final answer
    x = 897,952.86

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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.