Home / 997,651.17-1,496,698.20-287,623.80

Finding the Fourth Proportional to 997,651.17, 1,496,698.20 and 287,623.80

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Solution

The fourth proportional to 997,651.17, 1,496,698.20 and 287,623.80 is: 431,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,651.17 : 1,496,698.20 = 287,623.80 : x
  2. Step 2: Convert to fraction form
    997,651.17/1,496,698.20 = 287,623.80/x
  3. Step 3: Cross multiply
    997,651.17x = 1,496,698.20 × 287,623.80
  4. Step 4: Simplify right side
    997,651.17x = 430,486,023,737.16
  5. Step 5: Solve for x
    x = 430,486,023,737.16/997,651.17
  6. Step 6: Final answer
    x = 431,499.54

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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.