Home / 805,479.70-1,111,566-442,926.94

Finding the Fourth Proportional to 805,479.70, 1,111,566 and 442,926.94

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Solution

The fourth proportional to 805,479.70, 1,111,566 and 442,926.94 is: 611,241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,479.70 : 1,111,566 = 442,926.94 : x
  2. Step 2: Convert to fraction form
    805,479.70/1,111,566 = 442,926.94/x
  3. Step 3: Cross multiply
    805,479.70x = 1,111,566 × 442,926.94
  4. Step 4: Simplify right side
    805,479.70x = 492,342,526,988.04
  5. Step 5: Solve for x
    x = 492,342,526,988.04/805,479.70
  6. Step 6: Final answer
    x = 611,241.38

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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.