Home / 858,399.75-1,287,829.26-297,434.25

Finding the Fourth Proportional to 858,399.75, 1,287,829.26 and 297,434.25

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Solution

The fourth proportional to 858,399.75, 1,287,829.26 and 297,434.25 is: 446,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,399.75 : 1,287,829.26 = 297,434.25 : x
  2. Step 2: Convert to fraction form
    858,399.75/1,287,829.26 = 297,434.25/x
  3. Step 3: Cross multiply
    858,399.75x = 1,287,829.26 × 297,434.25
  4. Step 4: Simplify right side
    858,399.75x = 383,044,530,076.16
  5. Step 5: Solve for x
    x = 383,044,530,076.16/858,399.75
  6. Step 6: Final answer
    x = 446,230.94

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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.