Home / 997,612.80-1,496,640.59-287,585.43

Finding the Fourth Proportional to 997,612.80, 1,496,640.59 and 287,585.43

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Solution

The fourth proportional to 997,612.80, 1,496,640.59 and 287,585.43 is: 431,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,612.80 : 1,496,640.59 = 287,585.43 : x
  2. Step 2: Convert to fraction form
    997,612.80/1,496,640.59 = 287,585.43/x
  3. Step 3: Cross multiply
    997,612.80x = 1,496,640.59 × 287,585.43
  4. Step 4: Simplify right side
    997,612.80x = 430,412,027,630.60
  5. Step 5: Solve for x
    x = 430,412,027,630.60/997,612.80
  6. Step 6: Final answer
    x = 431,441.97

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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.