Home / 764,907.84-1,147,360.20-364,333.68

Finding the Fourth Proportional to 764,907.84, 1,147,360.20 and 364,333.68

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Solution

The fourth proportional to 764,907.84, 1,147,360.20 and 364,333.68 is: 546,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,907.84 : 1,147,360.20 = 364,333.68 : x
  2. Step 2: Convert to fraction form
    764,907.84/1,147,360.20 = 364,333.68/x
  3. Step 3: Cross multiply
    764,907.84x = 1,147,360.20 × 364,333.68
  4. Step 4: Simplify right side
    764,907.84x = 418,021,963,951.54
  5. Step 5: Solve for x
    x = 418,021,963,951.54/764,907.84
  6. Step 6: Final answer
    x = 546,499.78

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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.