Home / 768,268.20-1,152,368.28-262,873.56

Finding the Fourth Proportional to 768,268.20, 1,152,368.28 and 262,873.56

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Solution

The fourth proportional to 768,268.20, 1,152,368.28 and 262,873.56 is: 394,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,268.20 : 1,152,368.28 = 262,873.56 : x
  2. Step 2: Convert to fraction form
    768,268.20/1,152,368.28 = 262,873.56/x
  3. Step 3: Cross multiply
    768,268.20x = 1,152,368.28 × 262,873.56
  4. Step 4: Simplify right side
    768,268.20x = 302,927,152,194.68
  5. Step 5: Solve for x
    x = 302,927,152,194.68/768,268.20
  6. Step 6: Final answer
    x = 394,298.70

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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.