Home / 925,810.81-1,388,429.04-326,631.85

Finding the Fourth Proportional to 925,810.81, 1,388,429.04 and 326,631.85

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Solution

The fourth proportional to 925,810.81, 1,388,429.04 and 326,631.85 is: 489,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,810.81 : 1,388,429.04 = 326,631.85 : x
  2. Step 2: Convert to fraction form
    925,810.81/1,388,429.04 = 326,631.85/x
  3. Step 3: Cross multiply
    925,810.81x = 1,388,429.04 × 326,631.85
  4. Step 4: Simplify right side
    925,810.81x = 453,505,145,928.92
  5. Step 5: Solve for x
    x = 453,505,145,928.92/925,810.81
  6. Step 6: Final answer
    x = 489,846.46

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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.