Home / 929,686.60-1,394,529.90-331,323.40

Finding the Fourth Proportional to 929,686.60, 1,394,529.90 and 331,323.40

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Solution

The fourth proportional to 929,686.60, 1,394,529.90 and 331,323.40 is: 496,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,686.60 : 1,394,529.90 = 331,323.40 : x
  2. Step 2: Convert to fraction form
    929,686.60/1,394,529.90 = 331,323.40/x
  3. Step 3: Cross multiply
    929,686.60x = 1,394,529.90 × 331,323.40
  4. Step 4: Simplify right side
    929,686.60x = 462,040,387,869.66
  5. Step 5: Solve for x
    x = 462,040,387,869.66/929,686.60
  6. Step 6: Final answer
    x = 496,985.10

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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.