Home / 762,901.38-1,050,403.41-647,933.22

Finding the Fourth Proportional to 762,901.38, 1,050,403.41 and 647,933.22

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Solution

The fourth proportional to 762,901.38, 1,050,403.41 and 647,933.22 is: 892,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,901.38 : 1,050,403.41 = 647,933.22 : x
  2. Step 2: Convert to fraction form
    762,901.38/1,050,403.41 = 647,933.22/x
  3. Step 3: Cross multiply
    762,901.38x = 1,050,403.41 × 647,933.22
  4. Step 4: Simplify right side
    762,901.38x = 680,591,263,740.28
  5. Step 5: Solve for x
    x = 680,591,263,740.28/762,901.38
  6. Step 6: Final answer
    x = 892,109.10

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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.