Home / 945,917.87-1,305,394.38-516,225.69

Finding the Fourth Proportional to 945,917.87, 1,305,394.38 and 516,225.69

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Solution

The fourth proportional to 945,917.87, 1,305,394.38 and 516,225.69 is: 712,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,917.87 : 1,305,394.38 = 516,225.69 : x
  2. Step 2: Convert to fraction form
    945,917.87/1,305,394.38 = 516,225.69/x
  3. Step 3: Cross multiply
    945,917.87x = 1,305,394.38 × 516,225.69
  4. Step 4: Simplify right side
    945,917.87x = 673,878,114,537.62
  5. Step 5: Solve for x
    x = 673,878,114,537.62/945,917.87
  6. Step 6: Final answer
    x = 712,406.58

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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.