Home / 764,585.46-1,147,377.15-285,196.77

Finding the Fourth Proportional to 764,585.46, 1,147,377.15 and 285,196.77

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Solution

The fourth proportional to 764,585.46, 1,147,377.15 and 285,196.77 is: 427,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,585.46 : 1,147,377.15 = 285,196.77 : x
  2. Step 2: Convert to fraction form
    764,585.46/1,147,377.15 = 285,196.77/x
  3. Step 3: Cross multiply
    764,585.46x = 1,147,377.15 × 285,196.77
  4. Step 4: Simplify right side
    764,585.46x = 327,228,257,151.81
  5. Step 5: Solve for x
    x = 327,228,257,151.81/764,585.46
  6. Step 6: Final answer
    x = 427,981.27

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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.