Home / 925,852.98-1,388,639.13-251,986.78

Finding the Fourth Proportional to 925,852.98, 1,388,639.13 and 251,986.78

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Solution

The fourth proportional to 925,852.98, 1,388,639.13 and 251,986.78 is: 377,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,852.98 : 1,388,639.13 = 251,986.78 : x
  2. Step 2: Convert to fraction form
    925,852.98/1,388,639.13 = 251,986.78/x
  3. Step 3: Cross multiply
    925,852.98x = 1,388,639.13 × 251,986.78
  4. Step 4: Simplify right side
    925,852.98x = 349,918,703,741.55
  5. Step 5: Solve for x
    x = 349,918,703,741.55/925,852.98
  6. Step 6: Final answer
    x = 377,941.97

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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.