Home / 768,622.40-1,152,933.60-731,880.80

Finding the Fourth Proportional to 768,622.40, 1,152,933.60 and 731,880.80

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Solution

The fourth proportional to 768,622.40, 1,152,933.60 and 731,880.80 is: 1,097,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,622.40 : 1,152,933.60 = 731,880.80 : x
  2. Step 2: Convert to fraction form
    768,622.40/1,152,933.60 = 731,880.80/x
  3. Step 3: Cross multiply
    768,622.40x = 1,152,933.60 × 731,880.80
  4. Step 4: Simplify right side
    768,622.40x = 843,809,965,514.88
  5. Step 5: Solve for x
    x = 843,809,965,514.88/768,622.40
  6. Step 6: Final answer
    x = 1,097,821.20

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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.