Home / 731,878.20-1,100,441.70-616,404.60

Finding the Fourth Proportional to 731,878.20, 1,100,441.70 and 616,404.60

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Solution

The fourth proportional to 731,878.20, 1,100,441.70 and 616,404.60 is: 926,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,878.20 : 1,100,441.70 = 616,404.60 : x
  2. Step 2: Convert to fraction form
    731,878.20/1,100,441.70 = 616,404.60/x
  3. Step 3: Cross multiply
    731,878.20x = 1,100,441.70 × 616,404.60
  4. Step 4: Simplify right side
    731,878.20x = 678,317,325,911.82
  5. Step 5: Solve for x
    x = 678,317,325,911.82/731,878.20
  6. Step 6: Final answer
    x = 926,817.23

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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.