Home / 500,163.37-690,225.36-270,720.59

Finding the Fourth Proportional to 500,163.37, 690,225.36 and 270,720.59

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Solution

The fourth proportional to 500,163.37, 690,225.36 and 270,720.59 is: 373,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,163.37 : 690,225.36 = 270,720.59 : x
  2. Step 2: Convert to fraction form
    500,163.37/690,225.36 = 270,720.59/x
  3. Step 3: Cross multiply
    500,163.37x = 690,225.36 × 270,720.59
  4. Step 4: Simplify right side
    500,163.37x = 186,858,216,692.16
  5. Step 5: Solve for x
    x = 186,858,216,692.16/500,163.37
  6. Step 6: Final answer
    x = 373,594.37

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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.