Home / 805,368.24-1,208,024.40-206,334.36

Finding the Fourth Proportional to 805,368.24, 1,208,024.40 and 206,334.36

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Solution

The fourth proportional to 805,368.24, 1,208,024.40 and 206,334.36 is: 309,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,368.24 : 1,208,024.40 = 206,334.36 : x
  2. Step 2: Convert to fraction form
    805,368.24/1,208,024.40 = 206,334.36/x
  3. Step 3: Cross multiply
    805,368.24x = 1,208,024.40 × 206,334.36
  4. Step 4: Simplify right side
    805,368.24x = 249,256,941,438.38
  5. Step 5: Solve for x
    x = 249,256,941,438.38/805,368.24
  6. Step 6: Final answer
    x = 309,494.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.