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Finding the Fourth Proportional to 558,582.32, 770,859.96 and 303,950

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Solution

The fourth proportional to 558,582.32, 770,859.96 and 303,950 is: 419,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,582.32 : 770,859.96 = 303,950 : x
  2. Step 2: Convert to fraction form
    558,582.32/770,859.96 = 303,950/x
  3. Step 3: Cross multiply
    558,582.32x = 770,859.96 × 303,950
  4. Step 4: Simplify right side
    558,582.32x = 234,302,884,842
  5. Step 5: Solve for x
    x = 234,302,884,842/558,582.32
  6. Step 6: Final answer
    x = 419,459.90

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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.