Home / 557,858.18-836,454.67-220,947.19

Finding the Fourth Proportional to 557,858.18, 836,454.67 and 220,947.19

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Solution

The fourth proportional to 557,858.18, 836,454.67 and 220,947.19 is: 331,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,858.18 : 836,454.67 = 220,947.19 : x
  2. Step 2: Convert to fraction form
    557,858.18/836,454.67 = 220,947.19/x
  3. Step 3: Cross multiply
    557,858.18x = 836,454.67 × 220,947.19
  4. Step 4: Simplify right side
    557,858.18x = 184,812,306,255.37
  5. Step 5: Solve for x
    x = 184,812,306,255.37/557,858.18
  6. Step 6: Final answer
    x = 331,289.05

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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.