Home / 856,580.01-1,284,822.61-287,902.25

Finding the Fourth Proportional to 856,580.01, 1,284,822.61 and 287,902.25

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Solution

The fourth proportional to 856,580.01, 1,284,822.61 and 287,902.25 is: 431,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,580.01 : 1,284,822.61 = 287,902.25 : x
  2. Step 2: Convert to fraction form
    856,580.01/1,284,822.61 = 287,902.25/x
  3. Step 3: Cross multiply
    856,580.01x = 1,284,822.61 × 287,902.25
  4. Step 4: Simplify right side
    856,580.01x = 369,903,317,944.09
  5. Step 5: Solve for x
    x = 369,903,317,944.09/856,580.01
  6. Step 6: Final answer
    x = 431,837.44

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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.