Home / 500,071.41-690,100.75-270,628.73

Finding the Fourth Proportional to 500,071.41, 690,100.75 and 270,628.73

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Solution

The fourth proportional to 500,071.41, 690,100.75 and 270,628.73 is: 373,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,071.41 : 690,100.75 = 270,628.73 : x
  2. Step 2: Convert to fraction form
    500,071.41/690,100.75 = 270,628.73/x
  3. Step 3: Cross multiply
    500,071.41x = 690,100.75 × 270,628.73
  4. Step 4: Simplify right side
    500,071.41x = 186,761,090,593.23
  5. Step 5: Solve for x
    x = 186,761,090,593.23/500,071.41
  6. Step 6: Final answer
    x = 373,468.84

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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.