Home / 476,479.96-657,537.78-261,618.16

Finding the Fourth Proportional to 476,479.96, 657,537.78 and 261,618.16

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Solution

The fourth proportional to 476,479.96, 657,537.78 and 261,618.16 is: 361,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,479.96 : 657,537.78 = 261,618.16 : x
  2. Step 2: Convert to fraction form
    476,479.96/657,537.78 = 261,618.16/x
  3. Step 3: Cross multiply
    476,479.96x = 657,537.78 × 261,618.16
  4. Step 4: Simplify right side
    476,479.96x = 172,023,824,134.09
  5. Step 5: Solve for x
    x = 172,023,824,134.09/476,479.96
  6. Step 6: Final answer
    x = 361,030.55

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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.