Home / 764,298.24-1,146,635.25-380,228.44

Finding the Fourth Proportional to 764,298.24, 1,146,635.25 and 380,228.44

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Solution

The fourth proportional to 764,298.24, 1,146,635.25 and 380,228.44 is: 570,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,298.24 : 1,146,635.25 = 380,228.44 : x
  2. Step 2: Convert to fraction form
    764,298.24/1,146,635.25 = 380,228.44/x
  3. Step 3: Cross multiply
    764,298.24x = 1,146,635.25 × 380,228.44
  4. Step 4: Simplify right side
    764,298.24x = 435,983,332,356.51
  5. Step 5: Solve for x
    x = 435,983,332,356.51/764,298.24
  6. Step 6: Final answer
    x = 570,436.13

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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.