Home / 744,912.60-1,117,368.90-271,937.40

Finding the Fourth Proportional to 744,912.60, 1,117,368.90 and 271,937.40

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Solution

The fourth proportional to 744,912.60, 1,117,368.90 and 271,937.40 is: 407,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,912.60 : 1,117,368.90 = 271,937.40 : x
  2. Step 2: Convert to fraction form
    744,912.60/1,117,368.90 = 271,937.40/x
  3. Step 3: Cross multiply
    744,912.60x = 1,117,368.90 × 271,937.40
  4. Step 4: Simplify right side
    744,912.60x = 303,854,393,506.86
  5. Step 5: Solve for x
    x = 303,854,393,506.86/744,912.60
  6. Step 6: Final answer
    x = 407,906.10

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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.