Home / 654,417.63-981,436.77-254,969.37

Finding the Fourth Proportional to 654,417.63, 981,436.77 and 254,969.37

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Solution

The fourth proportional to 654,417.63, 981,436.77 and 254,969.37 is: 382,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,417.63 : 981,436.77 = 254,969.37 : x
  2. Step 2: Convert to fraction form
    654,417.63/981,436.77 = 254,969.37/x
  3. Step 3: Cross multiply
    654,417.63x = 981,436.77 × 254,969.37
  4. Step 4: Simplify right side
    654,417.63x = 250,236,314,941.74
  5. Step 5: Solve for x
    x = 250,236,314,941.74/654,417.63
  6. Step 6: Final answer
    x = 382,380.16

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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.