Home / 805,611.04-1,111,721.04-443,034.88

Finding the Fourth Proportional to 805,611.04, 1,111,721.04 and 443,034.88

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Solution

The fourth proportional to 805,611.04, 1,111,721.04 and 443,034.88 is: 611,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,611.04 : 1,111,721.04 = 443,034.88 : x
  2. Step 2: Convert to fraction form
    805,611.04/1,111,721.04 = 443,034.88/x
  3. Step 3: Cross multiply
    805,611.04x = 1,111,721.04 × 443,034.88
  4. Step 4: Simplify right side
    805,611.04x = 492,531,197,549.88
  5. Step 5: Solve for x
    x = 492,531,197,549.88/805,611.04
  6. Step 6: Final answer
    x = 611,375.93

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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.