Home / 768,876.30-1,153,205.10-263,460.60

Finding the Fourth Proportional to 768,876.30, 1,153,205.10 and 263,460.60

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Solution

The fourth proportional to 768,876.30, 1,153,205.10 and 263,460.60 is: 395,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,876.30 : 1,153,205.10 = 263,460.60 : x
  2. Step 2: Convert to fraction form
    768,876.30/1,153,205.10 = 263,460.60/x
  3. Step 3: Cross multiply
    768,876.30x = 1,153,205.10 × 263,460.60
  4. Step 4: Simplify right side
    768,876.30x = 303,824,107,569.06
  5. Step 5: Solve for x
    x = 303,824,107,569.06/768,876.30
  6. Step 6: Final answer
    x = 395,153.43

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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.