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Finding the Fourth Proportional to 500,071.54, 690,100.92 and 270,628.86

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Solution

The fourth proportional to 500,071.54, 690,100.92 and 270,628.86 is: 373,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,071.54 : 690,100.92 = 270,628.86 : x
  2. Step 2: Convert to fraction form
    500,071.54/690,100.92 = 270,628.86/x
  3. Step 3: Cross multiply
    500,071.54x = 690,100.92 × 270,628.86
  4. Step 4: Simplify right side
    500,071.54x = 186,761,222,676.67
  5. Step 5: Solve for x
    x = 186,761,222,676.67/500,071.54
  6. Step 6: Final answer
    x = 373,469.01

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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.