Home / 939,721.96-1,409,570.34-229,756.12

Finding the Fourth Proportional to 939,721.96, 1,409,570.34 and 229,756.12

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Solution

The fourth proportional to 939,721.96, 1,409,570.34 and 229,756.12 is: 344,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,721.96 : 1,409,570.34 = 229,756.12 : x
  2. Step 2: Convert to fraction form
    939,721.96/1,409,570.34 = 229,756.12/x
  3. Step 3: Cross multiply
    939,721.96x = 1,409,570.34 × 229,756.12
  4. Step 4: Simplify right side
    939,721.96x = 323,857,412,185.48
  5. Step 5: Solve for x
    x = 323,857,412,185.48/939,721.96
  6. Step 6: Final answer
    x = 344,631.10

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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.