Home / 612,023.67-844,563.38-340,109.91

Finding the Fourth Proportional to 612,023.67, 844,563.38 and 340,109.91

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Solution

The fourth proportional to 612,023.67, 844,563.38 and 340,109.91 is: 469,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,023.67 : 844,563.38 = 340,109.91 : x
  2. Step 2: Convert to fraction form
    612,023.67/844,563.38 = 340,109.91/x
  3. Step 3: Cross multiply
    612,023.67x = 844,563.38 × 340,109.91
  4. Step 4: Simplify right side
    612,023.67x = 287,244,373,460.55
  5. Step 5: Solve for x
    x = 287,244,373,460.55/612,023.67
  6. Step 6: Final answer
    x = 469,335.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.