Home / 492,557.42-738,836.14-380,401.23

Finding the Fourth Proportional to 492,557.42, 738,836.14 and 380,401.23

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Solution

The fourth proportional to 492,557.42, 738,836.14 and 380,401.23 is: 570,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,557.42 : 738,836.14 = 380,401.23 : x
  2. Step 2: Convert to fraction form
    492,557.42/738,836.14 = 380,401.23/x
  3. Step 3: Cross multiply
    492,557.42x = 738,836.14 × 380,401.23
  4. Step 4: Simplify right side
    492,557.42x = 281,054,174,522.45
  5. Step 5: Solve for x
    x = 281,054,174,522.45/492,557.42
  6. Step 6: Final answer
    x = 570,601.85

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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.