Home / 492,049.40-738,365.70-324,051.35

Finding the Fourth Proportional to 492,049.40, 738,365.70 and 324,051.35

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Solution

The fourth proportional to 492,049.40, 738,365.70 and 324,051.35 is: 486,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,049.40 : 738,365.70 = 324,051.35 : x
  2. Step 2: Convert to fraction form
    492,049.40/738,365.70 = 324,051.35/x
  3. Step 3: Cross multiply
    492,049.40x = 738,365.70 × 324,051.35
  4. Step 4: Simplify right side
    492,049.40x = 239,268,401,878.70
  5. Step 5: Solve for x
    x = 239,268,401,878.70/492,049.40
  6. Step 6: Final answer
    x = 486,269.07

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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.