Home / 394,943.94-544,455.75-281,569.86

Finding the Fourth Proportional to 394,943.94, 544,455.75 and 281,569.86

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Solution

The fourth proportional to 394,943.94, 544,455.75 and 281,569.86 is: 388,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,943.94 : 544,455.75 = 281,569.86 : x
  2. Step 2: Convert to fraction form
    394,943.94/544,455.75 = 281,569.86/x
  3. Step 3: Cross multiply
    394,943.94x = 544,455.75 × 281,569.86
  4. Step 4: Simplify right side
    394,943.94x = 153,302,329,303.70
  5. Step 5: Solve for x
    x = 153,302,329,303.70/394,943.94
  6. Step 6: Final answer
    x = 388,162.25

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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.