Home / 476,631.06-657,755.37-261,775.50

Finding the Fourth Proportional to 476,631.06, 657,755.37 and 261,775.50

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Solution

The fourth proportional to 476,631.06, 657,755.37 and 261,775.50 is: 361,252.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,631.06 : 657,755.37 = 261,775.50 : x
  2. Step 2: Convert to fraction form
    476,631.06/657,755.37 = 261,775.50/x
  3. Step 3: Cross multiply
    476,631.06x = 657,755.37 × 261,775.50
  4. Step 4: Simplify right side
    476,631.06x = 172,184,240,859.44
  5. Step 5: Solve for x
    x = 172,184,240,859.44/476,631.06
  6. Step 6: Final answer
    x = 361,252.67

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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.