Home / 790,404.89-1,185,472.46-284,865.26

Finding the Fourth Proportional to 790,404.89, 1,185,472.46 and 284,865.26

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Solution

The fourth proportional to 790,404.89, 1,185,472.46 and 284,865.26 is: 427,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,404.89 : 1,185,472.46 = 284,865.26 : x
  2. Step 2: Convert to fraction form
    790,404.89/1,185,472.46 = 284,865.26/x
  3. Step 3: Cross multiply
    790,404.89x = 1,185,472.46 × 284,865.26
  4. Step 4: Simplify right side
    790,404.89x = 337,699,915,325.54
  5. Step 5: Solve for x
    x = 337,699,915,325.54/790,404.89
  6. Step 6: Final answer
    x = 427,249.28

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1.5x scale

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.