Home / 788,616.56-1,183,766.88-339,559.76

Finding the Fourth Proportional to 788,616.56, 1,183,766.88 and 339,559.76

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Solution

The fourth proportional to 788,616.56, 1,183,766.88 and 339,559.76 is: 509,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,616.56 : 1,183,766.88 = 339,559.76 : x
  2. Step 2: Convert to fraction form
    788,616.56/1,183,766.88 = 339,559.76/x
  3. Step 3: Cross multiply
    788,616.56x = 1,183,766.88 × 339,559.76
  4. Step 4: Simplify right side
    788,616.56x = 401,959,590,052.12
  5. Step 5: Solve for x
    x = 401,959,590,052.12/788,616.56
  6. Step 6: Final answer
    x = 509,702.20

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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.