Home / 939,724.53-1,409,586.80-229,744.14

Finding the Fourth Proportional to 939,724.53, 1,409,586.80 and 229,744.14

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Solution

The fourth proportional to 939,724.53, 1,409,586.80 and 229,744.14 is: 344,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,724.53 : 1,409,586.80 = 229,744.14 : x
  2. Step 2: Convert to fraction form
    939,724.53/1,409,586.80 = 229,744.14/x
  3. Step 3: Cross multiply
    939,724.53x = 1,409,586.80 × 229,744.14
  4. Step 4: Simplify right side
    939,724.53x = 323,844,307,121.35
  5. Step 5: Solve for x
    x = 323,844,307,121.35/939,724.53
  6. Step 6: Final answer
    x = 344,616.21

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Double scale
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Similar ratio
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1.5x scale

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.