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Finding the Fourth Proportional to 490,701.40, 736,052.10 and 331,269.10

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Solution

The fourth proportional to 490,701.40, 736,052.10 and 331,269.10 is: 496,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,701.40 : 736,052.10 = 331,269.10 : x
  2. Step 2: Convert to fraction form
    490,701.40/736,052.10 = 331,269.10/x
  3. Step 3: Cross multiply
    490,701.40x = 736,052.10 × 331,269.10
  4. Step 4: Simplify right side
    490,701.40x = 243,831,316,720.11
  5. Step 5: Solve for x
    x = 243,831,316,720.11/490,701.40
  6. Step 6: Final answer
    x = 496,903.65

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Similar ratio
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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.