Home / 891,669.99-1,337,606.55-323,318.82

Finding the Fourth Proportional to 891,669.99, 1,337,606.55 and 323,318.82

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Solution

The fourth proportional to 891,669.99, 1,337,606.55 and 323,318.82 is: 485,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,669.99 : 1,337,606.55 = 323,318.82 : x
  2. Step 2: Convert to fraction form
    891,669.99/1,337,606.55 = 323,318.82/x
  3. Step 3: Cross multiply
    891,669.99x = 1,337,606.55 × 323,318.82
  4. Step 4: Simplify right side
    891,669.99x = 432,473,371,370.27
  5. Step 5: Solve for x
    x = 432,473,371,370.27/891,669.99
  6. Step 6: Final answer
    x = 485,015.06

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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.