Home / 929,709.60-1,394,564.40-628,559.70

Finding the Fourth Proportional to 929,709.60, 1,394,564.40 and 628,559.70

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Solution

The fourth proportional to 929,709.60, 1,394,564.40 and 628,559.70 is: 942,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,709.60 : 1,394,564.40 = 628,559.70 : x
  2. Step 2: Convert to fraction form
    929,709.60/1,394,564.40 = 628,559.70/x
  3. Step 3: Cross multiply
    929,709.60x = 1,394,564.40 × 628,559.70
  4. Step 4: Simplify right side
    929,709.60x = 876,566,980,894.68
  5. Step 5: Solve for x
    x = 876,566,980,894.68/929,709.60
  6. Step 6: Final answer
    x = 942,839.55

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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.