Home / 394,823.59-544,856.56-213,535.53

Finding the Fourth Proportional to 394,823.59, 544,856.56 and 213,535.53

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Solution

The fourth proportional to 394,823.59, 544,856.56 and 213,535.53 is: 294,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,823.59 : 544,856.56 = 213,535.53 : x
  2. Step 2: Convert to fraction form
    394,823.59/544,856.56 = 213,535.53/x
  3. Step 3: Cross multiply
    394,823.59x = 544,856.56 × 213,535.53
  4. Step 4: Simplify right side
    394,823.59x = 116,346,234,313.58
  5. Step 5: Solve for x
    x = 116,346,234,313.58/394,823.59
  6. Step 6: Final answer
    x = 294,679.03

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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.