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Finding the Fourth Proportional to 612,084.30, 844,609.22 and 353,922.18

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Solution

The fourth proportional to 612,084.30, 844,609.22 and 353,922.18 is: 488,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,084.30 : 844,609.22 = 353,922.18 : x
  2. Step 2: Convert to fraction form
    612,084.30/844,609.22 = 353,922.18/x
  3. Step 3: Cross multiply
    612,084.30x = 844,609.22 × 353,922.18
  4. Step 4: Simplify right side
    612,084.30x = 298,925,936,390.50
  5. Step 5: Solve for x
    x = 298,925,936,390.50/612,084.30
  6. Step 6: Final answer
    x = 488,373.80

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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.