Home / 444,823.40-667,283.70-430,826.60

Finding the Fourth Proportional to 444,823.40, 667,283.70 and 430,826.60

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Solution

The fourth proportional to 444,823.40, 667,283.70 and 430,826.60 is: 646,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,823.40 : 667,283.70 = 430,826.60 : x
  2. Step 2: Convert to fraction form
    444,823.40/667,283.70 = 430,826.60/x
  3. Step 3: Cross multiply
    444,823.40x = 667,283.70 × 430,826.60
  4. Step 4: Simplify right side
    444,823.40x = 287,483,567,706.42
  5. Step 5: Solve for x
    x = 287,483,567,706.42/444,823.40
  6. Step 6: Final answer
    x = 646,286.97

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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.