Home / 788,452.20-1,182,030.30-339,517.80

Finding the Fourth Proportional to 788,452.20, 1,182,030.30 and 339,517.80

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Solution

The fourth proportional to 788,452.20, 1,182,030.30 and 339,517.80 is: 508,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,452.20 : 1,182,030.30 = 339,517.80 : x
  2. Step 2: Convert to fraction form
    788,452.20/1,182,030.30 = 339,517.80/x
  3. Step 3: Cross multiply
    788,452.20x = 1,182,030.30 × 339,517.80
  4. Step 4: Simplify right side
    788,452.20x = 401,320,326,989.34
  5. Step 5: Solve for x
    x = 401,320,326,989.34/788,452.20
  6. Step 6: Final answer
    x = 508,997.66

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Double scale
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1.5x scale

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.