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Finding the Fourth Proportional to 560,630.40, 773,670.60 and 305,981.52

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Solution

The fourth proportional to 560,630.40, 773,670.60 and 305,981.52 is: 422,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,630.40 : 773,670.60 = 305,981.52 : x
  2. Step 2: Convert to fraction form
    560,630.40/773,670.60 = 305,981.52/x
  3. Step 3: Cross multiply
    560,630.40x = 773,670.60 × 305,981.52
  4. Step 4: Simplify right side
    560,630.40x = 236,728,906,167.31
  5. Step 5: Solve for x
    x = 236,728,906,167.31/560,630.40
  6. Step 6: Final answer
    x = 422,254.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.