Home / 891,639.72-1,337,561.07-323,288.48

Finding the Fourth Proportional to 891,639.72, 1,337,561.07 and 323,288.48

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Solution

The fourth proportional to 891,639.72, 1,337,561.07 and 323,288.48 is: 484,969.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,639.72 : 1,337,561.07 = 323,288.48 : x
  2. Step 2: Convert to fraction form
    891,639.72/1,337,561.07 = 323,288.48/x
  3. Step 3: Cross multiply
    891,639.72x = 1,337,561.07 × 323,288.48
  4. Step 4: Simplify right side
    891,639.72x = 432,418,087,359.04
  5. Step 5: Solve for x
    x = 432,418,087,359.04/891,639.72
  6. Step 6: Final answer
    x = 484,969.52

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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.