Home / 500,071.45-690,093.21-270,623.66

Finding the Fourth Proportional to 500,071.45, 690,093.21 and 270,623.66

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Solution

The fourth proportional to 500,071.45, 690,093.21 and 270,623.66 is: 373,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,071.45 : 690,093.21 = 270,623.66 : x
  2. Step 2: Convert to fraction form
    500,071.45/690,093.21 = 270,623.66/x
  3. Step 3: Cross multiply
    500,071.45x = 690,093.21 × 270,623.66
  4. Step 4: Simplify right side
    500,071.45x = 186,755,550,231.35
  5. Step 5: Solve for x
    x = 186,755,550,231.35/500,071.45
  6. Step 6: Final answer
    x = 373,457.73

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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.