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Finding the Fourth Proportional to 579,705.37, 800,001.70 and 350,230.75

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Solution

The fourth proportional to 579,705.37, 800,001.70 and 350,230.75 is: 483,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,705.37 : 800,001.70 = 350,230.75 : x
  2. Step 2: Convert to fraction form
    579,705.37/800,001.70 = 350,230.75/x
  3. Step 3: Cross multiply
    579,705.37x = 800,001.70 × 350,230.75
  4. Step 4: Simplify right side
    579,705.37x = 280,185,192,516.69
  5. Step 5: Solve for x
    x = 280,185,192,516.69/579,705.37
  6. Step 6: Final answer
    x = 483,323.44

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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.