Home / 788,612.20-1,182,918.30-367,930.60

Finding the Fourth Proportional to 788,612.20, 1,182,918.30 and 367,930.60

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Solution

The fourth proportional to 788,612.20, 1,182,918.30 and 367,930.60 is: 551,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,612.20 : 1,182,918.30 = 367,930.60 : x
  2. Step 2: Convert to fraction form
    788,612.20/1,182,918.30 = 367,930.60/x
  3. Step 3: Cross multiply
    788,612.20x = 1,182,918.30 × 367,930.60
  4. Step 4: Simplify right side
    788,612.20x = 435,231,839,869.98
  5. Step 5: Solve for x
    x = 435,231,839,869.98/788,612.20
  6. Step 6: Final answer
    x = 551,895.90

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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.