Home / 558,378.96-837,845.21-221,412.39

Finding the Fourth Proportional to 558,378.96, 837,845.21 and 221,412.39

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Solution

The fourth proportional to 558,378.96, 837,845.21 and 221,412.39 is: 332,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,378.96 : 837,845.21 = 221,412.39 : x
  2. Step 2: Convert to fraction form
    558,378.96/837,845.21 = 221,412.39/x
  3. Step 3: Cross multiply
    558,378.96x = 837,845.21 × 221,412.39
  4. Step 4: Simplify right side
    558,378.96x = 185,509,310,396.15
  5. Step 5: Solve for x
    x = 185,509,310,396.15/558,378.96
  6. Step 6: Final answer
    x = 332,228.33

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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.