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Finding the Fourth Proportional to 728,700, 1,093,050 and 230,064

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Solution

The fourth proportional to 728,700, 1,093,050 and 230,064 is: 345,096

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,700 : 1,093,050 = 230,064 : x
  2. Step 2: Convert to fraction form
    728,700/1,093,050 = 230,064/x
  3. Step 3: Cross multiply
    728,700x = 1,093,050 × 230,064
  4. Step 4: Simplify right side
    728,700x = 251,471,455,200
  5. Step 5: Solve for x
    x = 251,471,455,200/728,700
  6. Step 6: Final answer
    x = 345,096

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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.