Home / 925,319.91-1,388,007.21-251,397.69

Finding the Fourth Proportional to 925,319.91, 1,388,007.21 and 251,397.69

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Solution

The fourth proportional to 925,319.91, 1,388,007.21 and 251,397.69 is: 377,103.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,319.91 : 1,388,007.21 = 251,397.69 : x
  2. Step 2: Convert to fraction form
    925,319.91/1,388,007.21 = 251,397.69/x
  3. Step 3: Cross multiply
    925,319.91x = 1,388,007.21 × 251,397.69
  4. Step 4: Simplify right side
    925,319.91x = 348,941,806,297.35
  5. Step 5: Solve for x
    x = 348,941,806,297.35/925,319.91
  6. Step 6: Final answer
    x = 377,103.96

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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.