Home / 500,269.77-690,365.43-273,915.27

Finding the Fourth Proportional to 500,269.77, 690,365.43 and 273,915.27

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Solution

The fourth proportional to 500,269.77, 690,365.43 and 273,915.27 is: 377,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,269.77 : 690,365.43 = 273,915.27 : x
  2. Step 2: Convert to fraction form
    500,269.77/690,365.43 = 273,915.27/x
  3. Step 3: Cross multiply
    500,269.77x = 690,365.43 × 273,915.27
  4. Step 4: Simplify right side
    500,269.77x = 189,101,633,157.12
  5. Step 5: Solve for x
    x = 189,101,633,157.12/500,269.77
  6. Step 6: Final answer
    x = 377,999.32

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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.