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Finding the Fourth Proportional to 649,534.44, 967,452.50 and 620,391.30

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Solution

The fourth proportional to 649,534.44, 967,452.50 and 620,391.30 is: 924,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,534.44 : 967,452.50 = 620,391.30 : x
  2. Step 2: Convert to fraction form
    649,534.44/967,452.50 = 620,391.30/x
  3. Step 3: Cross multiply
    649,534.44x = 967,452.50 × 620,391.30
  4. Step 4: Simplify right side
    649,534.44x = 600,199,114,163.25
  5. Step 5: Solve for x
    x = 600,199,114,163.25/649,534.44
  6. Step 6: Final answer
    x = 924,045.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.