Home / 925,853.99-1,388,640.63-251,987.78

Finding the Fourth Proportional to 925,853.99, 1,388,640.63 and 251,987.78

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Solution

The fourth proportional to 925,853.99, 1,388,640.63 and 251,987.78 is: 377,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,853.99 : 1,388,640.63 = 251,987.78 : x
  2. Step 2: Convert to fraction form
    925,853.99/1,388,640.63 = 251,987.78/x
  3. Step 3: Cross multiply
    925,853.99x = 1,388,640.63 × 251,987.78
  4. Step 4: Simplify right side
    925,853.99x = 349,920,468,311.56
  5. Step 5: Solve for x
    x = 349,920,468,311.56/925,853.99
  6. Step 6: Final answer
    x = 377,943.47

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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.