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Finding the Fourth Proportional to 654,536.46, 980,230.05 and 373,200.78

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Solution

The fourth proportional to 654,536.46, 980,230.05 and 373,200.78 is: 558,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,536.46 : 980,230.05 = 373,200.78 : x
  2. Step 2: Convert to fraction form
    654,536.46/980,230.05 = 373,200.78/x
  3. Step 3: Cross multiply
    654,536.46x = 980,230.05 × 373,200.78
  4. Step 4: Simplify right side
    654,536.46x = 365,822,619,239.44
  5. Step 5: Solve for x
    x = 365,822,619,239.44/654,536.46
  6. Step 6: Final answer
    x = 558,903.35

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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.