Home / 500,485.03-690,668.31-271,041.60

Finding the Fourth Proportional to 500,485.03, 690,668.31 and 271,041.60

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Solution

The fourth proportional to 500,485.03, 690,668.31 and 271,041.60 is: 374,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,485.03 : 690,668.31 = 271,041.60 : x
  2. Step 2: Convert to fraction form
    500,485.03/690,668.31 = 271,041.60/x
  3. Step 3: Cross multiply
    500,485.03x = 690,668.31 × 271,041.60
  4. Step 4: Simplify right side
    500,485.03x = 187,199,843,811.70
  5. Step 5: Solve for x
    x = 187,199,843,811.70/500,485.03
  6. Step 6: Final answer
    x = 374,036.85

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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.