Home / 764,830.92-1,147,284.66-291,553.20

Finding the Fourth Proportional to 764,830.92, 1,147,284.66 and 291,553.20

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Solution

The fourth proportional to 764,830.92, 1,147,284.66 and 291,553.20 is: 437,344.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,830.92 : 1,147,284.66 = 291,553.20 : x
  2. Step 2: Convert to fraction form
    764,830.92/1,147,284.66 = 291,553.20/x
  3. Step 3: Cross multiply
    764,830.92x = 1,147,284.66 × 291,553.20
  4. Step 4: Simplify right side
    764,830.92x = 334,494,513,933.91
  5. Step 5: Solve for x
    x = 334,494,513,933.91/764,830.92
  6. Step 6: Final answer
    x = 437,344.39

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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.