Home / 769,812.81-1,154,766.47-296,499.57

Finding the Fourth Proportional to 769,812.81, 1,154,766.47 and 296,499.57

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Solution

The fourth proportional to 769,812.81, 1,154,766.47 and 296,499.57 is: 444,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,812.81 : 1,154,766.47 = 296,499.57 : x
  2. Step 2: Convert to fraction form
    769,812.81/1,154,766.47 = 296,499.57/x
  3. Step 3: Cross multiply
    769,812.81x = 1,154,766.47 × 296,499.57
  4. Step 4: Simplify right side
    769,812.81x = 342,387,760,322.92
  5. Step 5: Solve for x
    x = 342,387,760,322.92/769,812.81
  6. Step 6: Final answer
    x = 444,767.55

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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.