Home / 450,620.96-621,814.38-269,296.79

Finding the Fourth Proportional to 450,620.96, 621,814.38 and 269,296.79

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Solution

The fourth proportional to 450,620.96, 621,814.38 and 269,296.79 is: 371,604.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,620.96 : 621,814.38 = 269,296.79 : x
  2. Step 2: Convert to fraction form
    450,620.96/621,814.38 = 269,296.79/x
  3. Step 3: Cross multiply
    450,620.96x = 621,814.38 × 269,296.79
  4. Step 4: Simplify right side
    450,620.96x = 167,452,613,400.77
  5. Step 5: Solve for x
    x = 167,452,613,400.77/450,620.96
  6. Step 6: Final answer
    x = 371,604.14

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1.5x scale

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.