Home / 668,614.67-1,003,400.85-284,632.73

Finding the Fourth Proportional to 668,614.67, 1,003,400.85 and 284,632.73

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Solution

The fourth proportional to 668,614.67, 1,003,400.85 and 284,632.73 is: 427,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,614.67 : 1,003,400.85 = 284,632.73 : x
  2. Step 2: Convert to fraction form
    668,614.67/1,003,400.85 = 284,632.73/x
  3. Step 3: Cross multiply
    668,614.67x = 1,003,400.85 × 284,632.73
  4. Step 4: Simplify right side
    668,614.67x = 285,600,723,219.82
  5. Step 5: Solve for x
    x = 285,600,723,219.82/668,614.67
  6. Step 6: Final answer
    x = 427,152.94

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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.