Home / 805,359.22-1,111,403.31-442,785.58

Finding the Fourth Proportional to 805,359.22, 1,111,403.31 and 442,785.58

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Solution

The fourth proportional to 805,359.22, 1,111,403.31 and 442,785.58 is: 611,048.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,359.22 : 1,111,403.31 = 442,785.58 : x
  2. Step 2: Convert to fraction form
    805,359.22/1,111,403.31 = 442,785.58/x
  3. Step 3: Cross multiply
    805,359.22x = 1,111,403.31 × 442,785.58
  4. Step 4: Simplify right side
    805,359.22x = 492,113,359,232.27
  5. Step 5: Solve for x
    x = 492,113,359,232.27/805,359.22
  6. Step 6: Final answer
    x = 611,048.27

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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.