Home / 961,297.16-1,442,812.43-512,391.92

Finding the Fourth Proportional to 961,297.16, 1,442,812.43 and 512,391.92

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Solution

The fourth proportional to 961,297.16, 1,442,812.43 and 512,391.92 is: 769,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,297.16 : 1,442,812.43 = 512,391.92 : x
  2. Step 2: Convert to fraction form
    961,297.16/1,442,812.43 = 512,391.92/x
  3. Step 3: Cross multiply
    961,297.16x = 1,442,812.43 × 512,391.92
  4. Step 4: Simplify right side
    961,297.16x = 739,285,421,431.54
  5. Step 5: Solve for x
    x = 739,285,421,431.54/961,297.16
  6. Step 6: Final answer
    x = 769,049.84

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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.