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Finding the Fourth Proportional to 649,546.80, 974,467.80 and 294,662.40

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Solution

The fourth proportional to 649,546.80, 974,467.80 and 294,662.40 is: 442,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,546.80 : 974,467.80 = 294,662.40 : x
  2. Step 2: Convert to fraction form
    649,546.80/974,467.80 = 294,662.40/x
  3. Step 3: Cross multiply
    649,546.80x = 974,467.80 × 294,662.40
  4. Step 4: Simplify right side
    649,546.80x = 287,139,020,670.72
  5. Step 5: Solve for x
    x = 287,139,020,670.72/649,546.80
  6. Step 6: Final answer
    x = 442,060.56

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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.