Home / 500,344.59-690,467.24-270,900.05

Finding the Fourth Proportional to 500,344.59, 690,467.24 and 270,900.05

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Solution

The fourth proportional to 500,344.59, 690,467.24 and 270,900.05 is: 373,837.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,344.59 : 690,467.24 = 270,900.05 : x
  2. Step 2: Convert to fraction form
    500,344.59/690,467.24 = 270,900.05/x
  3. Step 3: Cross multiply
    500,344.59x = 690,467.24 × 270,900.05
  4. Step 4: Simplify right side
    500,344.59x = 187,047,605,540.46
  5. Step 5: Solve for x
    x = 187,047,605,540.46/500,344.59
  6. Step 6: Final answer
    x = 373,837.57

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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.