Home / 764,039.84-1,146,058.52-203,074.34

Finding the Fourth Proportional to 764,039.84, 1,146,058.52 and 203,074.34

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Solution

The fourth proportional to 764,039.84, 1,146,058.52 and 203,074.34 is: 304,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,039.84 : 1,146,058.52 = 203,074.34 : x
  2. Step 2: Convert to fraction form
    764,039.84/1,146,058.52 = 203,074.34/x
  3. Step 3: Cross multiply
    764,039.84x = 1,146,058.52 × 203,074.34
  4. Step 4: Simplify right side
    764,039.84x = 232,735,070,804.71
  5. Step 5: Solve for x
    x = 232,735,070,804.71/764,039.84
  6. Step 6: Final answer
    x = 304,611.17

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Double scale
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Similar ratio
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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.