Home / 696,379.26-1,043,223.87-513,688.22

Finding the Fourth Proportional to 696,379.26, 1,043,223.87 and 513,688.22

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Solution

The fourth proportional to 696,379.26, 1,043,223.87 and 513,688.22 is: 769,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,379.26 : 1,043,223.87 = 513,688.22 : x
  2. Step 2: Convert to fraction form
    696,379.26/1,043,223.87 = 513,688.22/x
  3. Step 3: Cross multiply
    696,379.26x = 1,043,223.87 × 513,688.22
  4. Step 4: Simplify right side
    696,379.26x = 535,891,813,464.11
  5. Step 5: Solve for x
    x = 535,891,813,464.11/696,379.26
  6. Step 6: Final answer
    x = 769,540.16

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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.