Home / 788,569.20-1,182,205.80-339,634.80

Finding the Fourth Proportional to 788,569.20, 1,182,205.80 and 339,634.80

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Solution

The fourth proportional to 788,569.20, 1,182,205.80 and 339,634.80 is: 509,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,569.20 : 1,182,205.80 = 339,634.80 : x
  2. Step 2: Convert to fraction form
    788,569.20/1,182,205.80 = 339,634.80/x
  3. Step 3: Cross multiply
    788,569.20x = 1,182,205.80 × 339,634.80
  4. Step 4: Simplify right side
    788,569.20x = 401,518,230,441.84
  5. Step 5: Solve for x
    x = 401,518,230,441.84/788,569.20
  6. Step 6: Final answer
    x = 509,173.11

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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.