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Finding the Fourth Proportional to 612,093.96, 844,672.80 and 340,154.88

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Solution

The fourth proportional to 612,093.96, 844,672.80 and 340,154.88 is: 469,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,093.96 : 844,672.80 = 340,154.88 : x
  2. Step 2: Convert to fraction form
    612,093.96/844,672.80 = 340,154.88/x
  3. Step 3: Cross multiply
    612,093.96x = 844,672.80 × 340,154.88
  4. Step 4: Simplify right side
    612,093.96x = 287,319,574,923.26
  5. Step 5: Solve for x
    x = 287,319,574,923.26/612,093.96
  6. Step 6: Final answer
    x = 469,404.36

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1.5x scale

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.