Home / 805,242.18-1,111,247.91-442,681.14

Finding the Fourth Proportional to 805,242.18, 1,111,247.91 and 442,681.14

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Solution

The fourth proportional to 805,242.18, 1,111,247.91 and 442,681.14 is: 610,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,242.18 : 1,111,247.91 = 442,681.14 : x
  2. Step 2: Convert to fraction form
    805,242.18/1,111,247.91 = 442,681.14/x
  3. Step 3: Cross multiply
    805,242.18x = 1,111,247.91 × 442,681.14
  4. Step 4: Simplify right side
    805,242.18x = 491,928,491,621.42
  5. Step 5: Solve for x
    x = 491,928,491,621.42/805,242.18
  6. Step 6: Final answer
    x = 610,907.51

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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.