Home / 925,513.32-1,388,382.30-260,665.32

Finding the Fourth Proportional to 925,513.32, 1,388,382.30 and 260,665.32

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Solution

The fourth proportional to 925,513.32, 1,388,382.30 and 260,665.32 is: 391,029.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,513.32 : 1,388,382.30 = 260,665.32 : x
  2. Step 2: Convert to fraction form
    925,513.32/1,388,382.30 = 260,665.32/x
  3. Step 3: Cross multiply
    925,513.32x = 1,388,382.30 × 260,665.32
  4. Step 4: Simplify right side
    925,513.32x = 361,903,116,511.84
  5. Step 5: Solve for x
    x = 361,903,116,511.84/925,513.32
  6. Step 6: Final answer
    x = 391,029.61

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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.