Home / 780,537.72-1,171,200.24-307,562.52

Finding the Fourth Proportional to 780,537.72, 1,171,200.24 and 307,562.52

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Solution

The fourth proportional to 780,537.72, 1,171,200.24 and 307,562.52 is: 461,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,537.72 : 1,171,200.24 = 307,562.52 : x
  2. Step 2: Convert to fraction form
    780,537.72/1,171,200.24 = 307,562.52/x
  3. Step 3: Cross multiply
    780,537.72x = 1,171,200.24 × 307,562.52
  4. Step 4: Simplify right side
    780,537.72x = 360,217,297,239.01
  5. Step 5: Solve for x
    x = 360,217,297,239.01/780,537.72
  6. Step 6: Final answer
    x = 461,498.90

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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.