Home / 876,249.18-1,314,384.30-307,644.57

Finding the Fourth Proportional to 876,249.18, 1,314,384.30 and 307,644.57

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Solution

The fourth proportional to 876,249.18, 1,314,384.30 and 307,644.57 is: 461,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,249.18 : 1,314,384.30 = 307,644.57 : x
  2. Step 2: Convert to fraction form
    876,249.18/1,314,384.30 = 307,644.57/x
  3. Step 3: Cross multiply
    876,249.18x = 1,314,384.30 × 307,644.57
  4. Step 4: Simplify right side
    876,249.18x = 404,363,192,788.25
  5. Step 5: Solve for x
    x = 404,363,192,788.25/876,249.18
  6. Step 6: Final answer
    x = 461,470.55

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1.5x scale

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.