Home / 476,170.13-657,112.82-261,313.71

Finding the Fourth Proportional to 476,170.13, 657,112.82 and 261,313.71

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Solution

The fourth proportional to 476,170.13, 657,112.82 and 261,313.71 is: 360,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,170.13 : 657,112.82 = 261,313.71 : x
  2. Step 2: Convert to fraction form
    476,170.13/657,112.82 = 261,313.71/x
  3. Step 3: Cross multiply
    476,170.13x = 657,112.82 × 261,313.71
  4. Step 4: Simplify right side
    476,170.13x = 171,712,587,576.19
  5. Step 5: Solve for x
    x = 171,712,587,576.19/476,170.13
  6. Step 6: Final answer
    x = 360,611.85

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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.