Home / 929,801.10-1,394,701.65-628,651.20

Finding the Fourth Proportional to 929,801.10, 1,394,701.65 and 628,651.20

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Solution

The fourth proportional to 929,801.10, 1,394,701.65 and 628,651.20 is: 942,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,801.10 : 1,394,701.65 = 628,651.20 : x
  2. Step 2: Convert to fraction form
    929,801.10/1,394,701.65 = 628,651.20/x
  3. Step 3: Cross multiply
    929,801.10x = 1,394,701.65 × 628,651.20
  4. Step 4: Simplify right side
    929,801.10x = 876,780,865,914.48
  5. Step 5: Solve for x
    x = 876,780,865,914.48/929,801.10
  6. Step 6: Final answer
    x = 942,976.80

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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.