Home / 985,595.72-1,478,575.93-311,846.62

Finding the Fourth Proportional to 985,595.72, 1,478,575.93 and 311,846.62

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Solution

The fourth proportional to 985,595.72, 1,478,575.93 and 311,846.62 is: 467,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,595.72 : 1,478,575.93 = 311,846.62 : x
  2. Step 2: Convert to fraction form
    985,595.72/1,478,575.93 = 311,846.62/x
  3. Step 3: Cross multiply
    985,595.72x = 1,478,575.93 × 311,846.62
  4. Step 4: Simplify right side
    985,595.72x = 461,088,906,183.86
  5. Step 5: Solve for x
    x = 461,088,906,183.86/985,595.72
  6. Step 6: Final answer
    x = 467,827.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.