Home / 500,004.16-690,001.68-273,649.12

Finding the Fourth Proportional to 500,004.16, 690,001.68 and 273,649.12

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Solution

The fourth proportional to 500,004.16, 690,001.68 and 273,649.12 is: 377,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,004.16 : 690,001.68 = 273,649.12 : x
  2. Step 2: Convert to fraction form
    500,004.16/690,001.68 = 273,649.12/x
  3. Step 3: Cross multiply
    500,004.16x = 690,001.68 × 273,649.12
  4. Step 4: Simplify right side
    500,004.16x = 188,818,352,530.52
  5. Step 5: Solve for x
    x = 188,818,352,530.52/500,004.16
  6. Step 6: Final answer
    x = 377,633.56

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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.