Home / 925,878.58-1,388,928.84-326,716

Finding the Fourth Proportional to 925,878.58, 1,388,928.84 and 326,716

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Solution

The fourth proportional to 925,878.58, 1,388,928.84 and 326,716 is: 490,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,878.58 : 1,388,928.84 = 326,716 : x
  2. Step 2: Convert to fraction form
    925,878.58/1,388,928.84 = 326,716/x
  3. Step 3: Cross multiply
    925,878.58x = 1,388,928.84 × 326,716
  4. Step 4: Simplify right side
    925,878.58x = 453,785,274,889.44
  5. Step 5: Solve for x
    x = 453,785,274,889.44/925,878.58
  6. Step 6: Final answer
    x = 490,113.16

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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.