Home / 762,905.13-1,050,408.59-647,936.97

Finding the Fourth Proportional to 762,905.13, 1,050,408.59 and 647,936.97

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Solution

The fourth proportional to 762,905.13, 1,050,408.59 and 647,936.97 is: 892,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,905.13 : 1,050,408.59 = 647,936.97 : x
  2. Step 2: Convert to fraction form
    762,905.13/1,050,408.59 = 647,936.97/x
  3. Step 3: Cross multiply
    762,905.13x = 1,050,408.59 × 647,936.97
  4. Step 4: Simplify right side
    762,905.13x = 680,598,555,826.89
  5. Step 5: Solve for x
    x = 680,598,555,826.89/762,905.13
  6. Step 6: Final answer
    x = 892,114.27

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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.