Home / 855,262.23-1,282,936.04-256,166.31

Finding the Fourth Proportional to 855,262.23, 1,282,936.04 and 256,166.31

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Solution

The fourth proportional to 855,262.23, 1,282,936.04 and 256,166.31 is: 384,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,262.23 : 1,282,936.04 = 256,166.31 : x
  2. Step 2: Convert to fraction form
    855,262.23/1,282,936.04 = 256,166.31/x
  3. Step 3: Cross multiply
    855,262.23x = 1,282,936.04 × 256,166.31
  4. Step 4: Simplify right side
    855,262.23x = 328,644,991,131.70
  5. Step 5: Solve for x
    x = 328,644,991,131.70/855,262.23
  6. Step 6: Final answer
    x = 384,262.25

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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.