Home / 848,144.55-1,270,389.90-398,191.17

Finding the Fourth Proportional to 848,144.55, 1,270,389.90 and 398,191.17

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Solution

The fourth proportional to 848,144.55, 1,270,389.90 and 398,191.17 is: 596,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,144.55 : 1,270,389.90 = 398,191.17 : x
  2. Step 2: Convert to fraction form
    848,144.55/1,270,389.90 = 398,191.17/x
  3. Step 3: Cross multiply
    848,144.55x = 1,270,389.90 × 398,191.17
  4. Step 4: Simplify right side
    848,144.55x = 505,858,040,637.18
  5. Step 5: Solve for x
    x = 505,858,040,637.18/848,144.55
  6. Step 6: Final answer
    x = 596,429.04

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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.