Home / 997,613.80-1,496,642.09-287,586.43

Finding the Fourth Proportional to 997,613.80, 1,496,642.09 and 287,586.43

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Solution

The fourth proportional to 997,613.80, 1,496,642.09 and 287,586.43 is: 431,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,613.80 : 1,496,642.09 = 287,586.43 : x
  2. Step 2: Convert to fraction form
    997,613.80/1,496,642.09 = 287,586.43/x
  3. Step 3: Cross multiply
    997,613.80x = 1,496,642.09 × 287,586.43
  4. Step 4: Simplify right side
    997,613.80x = 430,413,955,650.84
  5. Step 5: Solve for x
    x = 430,413,955,650.84/997,613.80
  6. Step 6: Final answer
    x = 431,443.47

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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.