Home / 805,267.25-1,111,289.98-442,700.24

Finding the Fourth Proportional to 805,267.25, 1,111,289.98 and 442,700.24

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Solution

The fourth proportional to 805,267.25, 1,111,289.98 and 442,700.24 is: 610,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,267.25 : 1,111,289.98 = 442,700.24 : x
  2. Step 2: Convert to fraction form
    805,267.25/1,111,289.98 = 442,700.24/x
  3. Step 3: Cross multiply
    805,267.25x = 1,111,289.98 × 442,700.24
  4. Step 4: Simplify right side
    805,267.25x = 491,968,340,855.60
  5. Step 5: Solve for x
    x = 491,968,340,855.60/805,267.25
  6. Step 6: Final answer
    x = 610,937.97

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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.