Home / 654,319.88-981,480.04-205,075.60

Finding the Fourth Proportional to 654,319.88, 981,480.04 and 205,075.60

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Solution

The fourth proportional to 654,319.88, 981,480.04 and 205,075.60 is: 307,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,319.88 : 981,480.04 = 205,075.60 : x
  2. Step 2: Convert to fraction form
    654,319.88/981,480.04 = 205,075.60/x
  3. Step 3: Cross multiply
    654,319.88x = 981,480.04 × 205,075.60
  4. Step 4: Simplify right side
    654,319.88x = 201,277,608,091.02
  5. Step 5: Solve for x
    x = 201,277,608,091.02/654,319.88
  6. Step 6: Final answer
    x = 307,613.47

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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.