Home / 805,297.29-1,111,310.98-442,727.32

Finding the Fourth Proportional to 805,297.29, 1,111,310.98 and 442,727.32

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Solution

The fourth proportional to 805,297.29, 1,111,310.98 and 442,727.32 is: 610,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,297.29 : 1,111,310.98 = 442,727.32 : x
  2. Step 2: Convert to fraction form
    805,297.29/1,111,310.98 = 442,727.32/x
  3. Step 3: Cross multiply
    805,297.29x = 1,111,310.98 × 442,727.32
  4. Step 4: Simplify right side
    805,297.29x = 492,007,729,648.34
  5. Step 5: Solve for x
    x = 492,007,729,648.34/805,297.29
  6. Step 6: Final answer
    x = 610,964.09

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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.