Home / 672,986.18-928,716.62-371,180.18

Finding the Fourth Proportional to 672,986.18, 928,716.62 and 371,180.18

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Solution

The fourth proportional to 672,986.18, 928,716.62 and 371,180.18 is: 512,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,986.18 : 928,716.62 = 371,180.18 : x
  2. Step 2: Convert to fraction form
    672,986.18/928,716.62 = 371,180.18/x
  3. Step 3: Cross multiply
    672,986.18x = 928,716.62 × 371,180.18
  4. Step 4: Simplify right side
    672,986.18x = 344,721,202,180.59
  5. Step 5: Solve for x
    x = 344,721,202,180.59/672,986.18
  6. Step 6: Final answer
    x = 512,226.27

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1.5x scale

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.