Home / 476,478.96-657,536.40-261,617.16

Finding the Fourth Proportional to 476,478.96, 657,536.40 and 261,617.16

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Solution

The fourth proportional to 476,478.96, 657,536.40 and 261,617.16 is: 361,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,478.96 : 657,536.40 = 261,617.16 : x
  2. Step 2: Convert to fraction form
    476,478.96/657,536.40 = 261,617.16/x
  3. Step 3: Cross multiply
    476,478.96x = 657,536.40 × 261,617.16
  4. Step 4: Simplify right side
    476,478.96x = 172,022,805,564.62
  5. Step 5: Solve for x
    x = 172,022,805,564.62/476,478.96
  6. Step 6: Final answer
    x = 361,029.17

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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.