Home / 764,050.60-1,054,396.12-477,736.68

Finding the Fourth Proportional to 764,050.60, 1,054,396.12 and 477,736.68

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Solution

The fourth proportional to 764,050.60, 1,054,396.12 and 477,736.68 is: 659,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,050.60 : 1,054,396.12 = 477,736.68 : x
  2. Step 2: Convert to fraction form
    764,050.60/1,054,396.12 = 477,736.68/x
  3. Step 3: Cross multiply
    764,050.60x = 1,054,396.12 × 477,736.68
  4. Step 4: Simplify right side
    764,050.60x = 503,723,701,773.68
  5. Step 5: Solve for x
    x = 503,723,701,773.68/764,050.60
  6. Step 6: Final answer
    x = 659,280.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.