Home / 997,690.65-1,496,292.98-287,644.65

Finding the Fourth Proportional to 997,690.65, 1,496,292.98 and 287,644.65

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Solution

The fourth proportional to 997,690.65, 1,496,292.98 and 287,644.65 is: 431,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,690.65 : 1,496,292.98 = 287,644.65 : x
  2. Step 2: Convert to fraction form
    997,690.65/1,496,292.98 = 287,644.65/x
  3. Step 3: Cross multiply
    997,690.65x = 1,496,292.98 × 287,644.65
  4. Step 4: Simplify right side
    997,690.65x = 430,400,669,091.33
  5. Step 5: Solve for x
    x = 430,400,669,091.33/997,690.65
  6. Step 6: Final answer
    x = 431,396.92

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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.