Home / 925,539.40-1,388,250.78-294,905.80

Finding the Fourth Proportional to 925,539.40, 1,388,250.78 and 294,905.80

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Solution

The fourth proportional to 925,539.40, 1,388,250.78 and 294,905.80 is: 442,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,539.40 : 1,388,250.78 = 294,905.80 : x
  2. Step 2: Convert to fraction form
    925,539.40/1,388,250.78 = 294,905.80/x
  3. Step 3: Cross multiply
    925,539.40x = 1,388,250.78 × 294,905.80
  4. Step 4: Simplify right side
    925,539.40x = 409,403,206,876.52
  5. Step 5: Solve for x
    x = 409,403,206,876.52/925,539.40
  6. Step 6: Final answer
    x = 442,340.12

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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.