Home / 777,405.24-1,072,452.68-454,917.52

Finding the Fourth Proportional to 777,405.24, 1,072,452.68 and 454,917.52

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Solution

The fourth proportional to 777,405.24, 1,072,452.68 and 454,917.52 is: 627,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,405.24 : 1,072,452.68 = 454,917.52 : x
  2. Step 2: Convert to fraction form
    777,405.24/1,072,452.68 = 454,917.52/x
  3. Step 3: Cross multiply
    777,405.24x = 1,072,452.68 × 454,917.52
  4. Step 4: Simplify right side
    777,405.24x = 487,877,513,502.95
  5. Step 5: Solve for x
    x = 487,877,513,502.95/777,405.24
  6. Step 6: Final answer
    x = 627,571.68

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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.