Home / 997,639.17-1,496,680.20-287,611.80

Finding the Fourth Proportional to 997,639.17, 1,496,680.20 and 287,611.80

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Solution

The fourth proportional to 997,639.17, 1,496,680.20 and 287,611.80 is: 431,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,639.17 : 1,496,680.20 = 287,611.80 : x
  2. Step 2: Convert to fraction form
    997,639.17/1,496,680.20 = 287,611.80/x
  3. Step 3: Cross multiply
    997,639.17x = 1,496,680.20 × 287,611.80
  4. Step 4: Simplify right side
    997,639.17x = 430,462,886,346.36
  5. Step 5: Solve for x
    x = 430,462,886,346.36/997,639.17
  6. Step 6: Final answer
    x = 431,481.54

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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.