Home / 788,474.44-1,087,824.90-448,857.64

Finding the Fourth Proportional to 788,474.44, 1,087,824.90 and 448,857.64

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Solution

The fourth proportional to 788,474.44, 1,087,824.90 and 448,857.64 is: 619,269.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,474.44 : 1,087,824.90 = 448,857.64 : x
  2. Step 2: Convert to fraction form
    788,474.44/1,087,824.90 = 448,857.64/x
  3. Step 3: Cross multiply
    788,474.44x = 1,087,824.90 × 448,857.64
  4. Step 4: Simplify right side
    788,474.44x = 488,278,517,347.24
  5. Step 5: Solve for x
    x = 488,278,517,347.24/788,474.44
  6. Step 6: Final answer
    x = 619,269.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.