Home / 788,593.20-1,182,241.80-339,658.80

Finding the Fourth Proportional to 788,593.20, 1,182,241.80 and 339,658.80

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Solution

The fourth proportional to 788,593.20, 1,182,241.80 and 339,658.80 is: 509,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,593.20 : 1,182,241.80 = 339,658.80 : x
  2. Step 2: Convert to fraction form
    788,593.20/1,182,241.80 = 339,658.80/x
  3. Step 3: Cross multiply
    788,593.20x = 1,182,241.80 × 339,658.80
  4. Step 4: Simplify right side
    788,593.20x = 401,558,831,097.84
  5. Step 5: Solve for x
    x = 401,558,831,097.84/788,593.20
  6. Step 6: Final answer
    x = 509,209.10

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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.