Home / 891,554.93-1,337,327.78-217,639.79

Finding the Fourth Proportional to 891,554.93, 1,337,327.78 and 217,639.79

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Solution

The fourth proportional to 891,554.93, 1,337,327.78 and 217,639.79 is: 326,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,554.93 : 1,337,327.78 = 217,639.79 : x
  2. Step 2: Convert to fraction form
    891,554.93/1,337,327.78 = 217,639.79/x
  3. Step 3: Cross multiply
    891,554.93x = 1,337,327.78 × 217,639.79
  4. Step 4: Simplify right side
    891,554.93x = 291,055,737,200.37
  5. Step 5: Solve for x
    x = 291,055,737,200.37/891,554.93
  6. Step 6: Final answer
    x = 326,458.56

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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.