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Finding the Fourth Proportional to 523,608.60, 722,351.70 and 329,898.72

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Solution

The fourth proportional to 523,608.60, 722,351.70 and 329,898.72 is: 455,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,608.60 : 722,351.70 = 329,898.72 : x
  2. Step 2: Convert to fraction form
    523,608.60/722,351.70 = 329,898.72/x
  3. Step 3: Cross multiply
    523,608.60x = 722,351.70 × 329,898.72
  4. Step 4: Simplify right side
    523,608.60x = 238,302,901,219.82
  5. Step 5: Solve for x
    x = 238,302,901,219.82/523,608.60
  6. Step 6: Final answer
    x = 455,116.48

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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.