Home / 966,488.09-1,450,229.61-398,289.02

Finding the Fourth Proportional to 966,488.09, 1,450,229.61 and 398,289.02

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Solution

The fourth proportional to 966,488.09, 1,450,229.61 and 398,289.02 is: 597,638.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,488.09 : 1,450,229.61 = 398,289.02 : x
  2. Step 2: Convert to fraction form
    966,488.09/1,450,229.61 = 398,289.02/x
  3. Step 3: Cross multiply
    966,488.09x = 1,450,229.61 × 398,289.02
  4. Step 4: Simplify right side
    966,488.09x = 577,610,530,141.88
  5. Step 5: Solve for x
    x = 577,610,530,141.88/966,488.09
  6. Step 6: Final answer
    x = 597,638.54

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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.