Home / 455,527.20-682,853.40-354,269.10

Finding the Fourth Proportional to 455,527.20, 682,853.40 and 354,269.10

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Solution

The fourth proportional to 455,527.20, 682,853.40 and 354,269.10 is: 531,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,527.20 : 682,853.40 = 354,269.10 : x
  2. Step 2: Convert to fraction form
    455,527.20/682,853.40 = 354,269.10/x
  3. Step 3: Cross multiply
    455,527.20x = 682,853.40 × 354,269.10
  4. Step 4: Simplify right side
    455,527.20x = 241,913,859,449.94
  5. Step 5: Solve for x
    x = 241,913,859,449.94/455,527.20
  6. Step 6: Final answer
    x = 531,063.48

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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.