Home / 805,578.66-1,111,675.05-443,002.14

Finding the Fourth Proportional to 805,578.66, 1,111,675.05 and 443,002.14

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Solution

The fourth proportional to 805,578.66, 1,111,675.05 and 443,002.14 is: 611,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,578.66 : 1,111,675.05 = 443,002.14 : x
  2. Step 2: Convert to fraction form
    805,578.66/1,111,675.05 = 443,002.14/x
  3. Step 3: Cross multiply
    805,578.66x = 1,111,675.05 × 443,002.14
  4. Step 4: Simplify right side
    805,578.66x = 492,474,426,134.61
  5. Step 5: Solve for x
    x = 492,474,426,134.61/805,578.66
  6. Step 6: Final answer
    x = 611,330.03

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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.