Home / 788,473.44-1,087,823.52-448,856.64

Finding the Fourth Proportional to 788,473.44, 1,087,823.52 and 448,856.64

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Solution

The fourth proportional to 788,473.44, 1,087,823.52 and 448,856.64 is: 619,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,473.44 : 1,087,823.52 = 448,856.64 : x
  2. Step 2: Convert to fraction form
    788,473.44/1,087,823.52 = 448,856.64/x
  3. Step 3: Cross multiply
    788,473.44x = 1,087,823.52 × 448,856.64
  4. Step 4: Simplify right side
    788,473.44x = 488,276,810,100.17
  5. Step 5: Solve for x
    x = 488,276,810,100.17/788,473.44
  6. Step 6: Final answer
    x = 619,268.56

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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.