Home / 929,687.10-1,394,530.65-331,323.90

Finding the Fourth Proportional to 929,687.10, 1,394,530.65 and 331,323.90

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Solution

The fourth proportional to 929,687.10, 1,394,530.65 and 331,323.90 is: 496,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,687.10 : 1,394,530.65 = 331,323.90 : x
  2. Step 2: Convert to fraction form
    929,687.10/1,394,530.65 = 331,323.90/x
  3. Step 3: Cross multiply
    929,687.10x = 1,394,530.65 × 331,323.90
  4. Step 4: Simplify right side
    929,687.10x = 462,041,333,627.54
  5. Step 5: Solve for x
    x = 462,041,333,627.54/929,687.10
  6. Step 6: Final answer
    x = 496,985.85

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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.