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Finding the Fourth Proportional to 853,889.89, 1,281,045.05 and 601,662.95

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Solution

The fourth proportional to 853,889.89, 1,281,045.05 and 601,662.95 is: 902,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,889.89 : 1,281,045.05 = 601,662.95 : x
  2. Step 2: Convert to fraction form
    853,889.89/1,281,045.05 = 601,662.95/x
  3. Step 3: Cross multiply
    853,889.89x = 1,281,045.05 × 601,662.95
  4. Step 4: Simplify right side
    853,889.89x = 770,757,341,621.81
  5. Step 5: Solve for x
    x = 770,757,341,621.81/853,889.89
  6. Step 6: Final answer
    x = 902,642.54

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Why These Related Problems?

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