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Finding the Fourth Proportional to 607,909, 911,116.06 and 341,108.98

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Solution

The fourth proportional to 607,909, 911,116.06 and 341,108.98 is: 511,244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,909 : 911,116.06 = 341,108.98 : x
  2. Step 2: Convert to fraction form
    607,909/911,116.06 = 341,108.98/x
  3. Step 3: Cross multiply
    607,909x = 911,116.06 × 341,108.98
  4. Step 4: Simplify right side
    607,909x = 310,789,869,888.22
  5. Step 5: Solve for x
    x = 310,789,869,888.22/607,909
  6. Step 6: Final answer
    x = 511,244.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.