Home / 734,116.60-1,100,915.70-260,817.40

Finding the Fourth Proportional to 734,116.60, 1,100,915.70 and 260,817.40

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Solution

The fourth proportional to 734,116.60, 1,100,915.70 and 260,817.40 is: 391,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,116.60 : 1,100,915.70 = 260,817.40 : x
  2. Step 2: Convert to fraction form
    734,116.60/1,100,915.70 = 260,817.40/x
  3. Step 3: Cross multiply
    734,116.60x = 1,100,915.70 × 260,817.40
  4. Step 4: Simplify right side
    734,116.60x = 287,137,970,493.18
  5. Step 5: Solve for x
    x = 287,137,970,493.18/734,116.60
  6. Step 6: Final answer
    x = 391,134.01

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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.