Home / 476,129.98-657,057.56-261,273.64

Finding the Fourth Proportional to 476,129.98, 657,057.56 and 261,273.64

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Solution

The fourth proportional to 476,129.98, 657,057.56 and 261,273.64 is: 360,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,129.98 : 657,057.56 = 261,273.64 : x
  2. Step 2: Convert to fraction form
    476,129.98/657,057.56 = 261,273.64/x
  3. Step 3: Cross multiply
    476,129.98x = 657,057.56 × 261,273.64
  4. Step 4: Simplify right side
    476,129.98x = 171,671,820,390.72
  5. Step 5: Solve for x
    x = 171,671,820,390.72/476,129.98
  6. Step 6: Final answer
    x = 360,556.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.