Home / 805,168.26-1,111,132.35-442,615.50

Finding the Fourth Proportional to 805,168.26, 1,111,132.35 and 442,615.50

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Solution

The fourth proportional to 805,168.26, 1,111,132.35 and 442,615.50 is: 610,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,168.26 : 1,111,132.35 = 442,615.50 : x
  2. Step 2: Convert to fraction form
    805,168.26/1,111,132.35 = 442,615.50/x
  3. Step 3: Cross multiply
    805,168.26x = 1,111,132.35 × 442,615.50
  4. Step 4: Simplify right side
    805,168.26x = 491,804,400,661.43
  5. Step 5: Solve for x
    x = 491,804,400,661.43/805,168.26
  6. Step 6: Final answer
    x = 610,809.47

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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.