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Finding the Fourth Proportional to 612,059.37, 844,588.15 and 340,110.03

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Solution

The fourth proportional to 612,059.37, 844,588.15 and 340,110.03 is: 469,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,059.37 : 844,588.15 = 340,110.03 : x
  2. Step 2: Convert to fraction form
    612,059.37/844,588.15 = 340,110.03/x
  3. Step 3: Cross multiply
    612,059.37x = 844,588.15 × 340,110.03
  4. Step 4: Simplify right side
    612,059.37x = 287,252,901,034.15
  5. Step 5: Solve for x
    x = 287,252,901,034.15/612,059.37
  6. Step 6: Final answer
    x = 469,321.96

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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.