Home / 476,278.88-657,273.33-261,438.93

Finding the Fourth Proportional to 476,278.88, 657,273.33 and 261,438.93

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Solution

The fourth proportional to 476,278.88, 657,273.33 and 261,438.93 is: 360,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,278.88 : 657,273.33 = 261,438.93 : x
  2. Step 2: Convert to fraction form
    476,278.88/657,273.33 = 261,438.93/x
  3. Step 3: Cross multiply
    476,278.88x = 657,273.33 × 261,438.93
  4. Step 4: Simplify right side
    476,278.88x = 171,836,836,112.74
  5. Step 5: Solve for x
    x = 171,836,836,112.74/476,278.88
  6. Step 6: Final answer
    x = 360,790.38

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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.