Home / 476,814.72-657,838.87-304,833.36

Finding the Fourth Proportional to 476,814.72, 657,838.87 and 304,833.36

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Solution

The fourth proportional to 476,814.72, 657,838.87 and 304,833.36 is: 420,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,814.72 : 657,838.87 = 304,833.36 : x
  2. Step 2: Convert to fraction form
    476,814.72/657,838.87 = 304,833.36/x
  3. Step 3: Cross multiply
    476,814.72x = 657,838.87 × 304,833.36
  4. Step 4: Simplify right side
    476,814.72x = 200,531,231,085.17
  5. Step 5: Solve for x
    x = 200,531,231,085.17/476,814.72
  6. Step 6: Final answer
    x = 420,564.26

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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.