Home / 768,769.31-1,153,158.08-504,205.17

Finding the Fourth Proportional to 768,769.31, 1,153,158.08 and 504,205.17

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Solution

The fourth proportional to 768,769.31, 1,153,158.08 and 504,205.17 is: 756,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,769.31 : 1,153,158.08 = 504,205.17 : x
  2. Step 2: Convert to fraction form
    768,769.31/1,153,158.08 = 504,205.17/x
  3. Step 3: Cross multiply
    768,769.31x = 1,153,158.08 × 504,205.17
  4. Step 4: Simplify right side
    768,769.31x = 581,428,263,242.25
  5. Step 5: Solve for x
    x = 581,428,263,242.25/768,769.31
  6. Step 6: Final answer
    x = 756,310.46

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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.