Home / 735,714.39-1,103,120.00-285,910.02

Finding the Fourth Proportional to 735,714.39, 1,103,120.00 and 285,910.02

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Solution

The fourth proportional to 735,714.39, 1,103,120.00 and 285,910.02 is: 428,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,714.39 : 1,103,120.00 = 285,910.02 : x
  2. Step 2: Convert to fraction form
    735,714.39/1,103,120.00 = 285,910.02/x
  3. Step 3: Cross multiply
    735,714.39x = 1,103,120.00 × 285,910.02
  4. Step 4: Simplify right side
    735,714.39x = 315,393,060,905.01
  5. Step 5: Solve for x
    x = 315,393,060,905.01/735,714.39
  6. Step 6: Final answer
    x = 428,689.53

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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.