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Finding the Fourth Proportional to 649,830.56, 973,740.48 and 450,540.32

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Solution

The fourth proportional to 649,830.56, 973,740.48 and 450,540.32 is: 675,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,830.56 : 973,740.48 = 450,540.32 : x
  2. Step 2: Convert to fraction form
    649,830.56/973,740.48 = 450,540.32/x
  3. Step 3: Cross multiply
    649,830.56x = 973,740.48 × 450,540.32
  4. Step 4: Simplify right side
    649,830.56x = 438,709,347,456.15
  5. Step 5: Solve for x
    x = 438,709,347,456.15/649,830.56
  6. Step 6: Final answer
    x = 675,113.44

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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.