Home / 777,786.30-1,164,346.65-462,080.70

Finding the Fourth Proportional to 777,786.30, 1,164,346.65 and 462,080.70

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Solution

The fourth proportional to 777,786.30, 1,164,346.65 and 462,080.70 is: 691,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,786.30 : 1,164,346.65 = 462,080.70 : x
  2. Step 2: Convert to fraction form
    777,786.30/1,164,346.65 = 462,080.70/x
  3. Step 3: Cross multiply
    777,786.30x = 1,164,346.65 × 462,080.70
  4. Step 4: Simplify right side
    777,786.30x = 538,022,115,074.66
  5. Step 5: Solve for x
    x = 538,022,115,074.66/777,786.30
  6. Step 6: Final answer
    x = 691,735.14

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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.