Home / 654,355.63-981,343.77-254,907.37

Finding the Fourth Proportional to 654,355.63, 981,343.77 and 254,907.37

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Solution

The fourth proportional to 654,355.63, 981,343.77 and 254,907.37 is: 382,287.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,355.63 : 981,343.77 = 254,907.37 : x
  2. Step 2: Convert to fraction form
    654,355.63/981,343.77 = 254,907.37/x
  3. Step 3: Cross multiply
    654,355.63x = 981,343.77 × 254,907.37
  4. Step 4: Simplify right side
    654,355.63x = 250,151,759,476.59
  5. Step 5: Solve for x
    x = 250,151,759,476.59/654,355.63
  6. Step 6: Final answer
    x = 382,287.17

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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.