Home / 729,714.34-1,006,739.85-427,850.02

Finding the Fourth Proportional to 729,714.34, 1,006,739.85 and 427,850.02

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Solution

The fourth proportional to 729,714.34, 1,006,739.85 and 427,850.02 is: 590,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,714.34 : 1,006,739.85 = 427,850.02 : x
  2. Step 2: Convert to fraction form
    729,714.34/1,006,739.85 = 427,850.02/x
  3. Step 3: Cross multiply
    729,714.34x = 1,006,739.85 × 427,850.02
  4. Step 4: Simplify right side
    729,714.34x = 430,733,664,957.30
  5. Step 5: Solve for x
    x = 430,733,664,957.30/729,714.34
  6. Step 6: Final answer
    x = 590,277.10

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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.