Home / 404,330.08-558,175.44-313,480.48

Finding the Fourth Proportional to 404,330.08, 558,175.44 and 313,480.48

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Solution

The fourth proportional to 404,330.08, 558,175.44 and 313,480.48 is: 432,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,330.08 : 558,175.44 = 313,480.48 : x
  2. Step 2: Convert to fraction form
    404,330.08/558,175.44 = 313,480.48/x
  3. Step 3: Cross multiply
    404,330.08x = 558,175.44 × 313,480.48
  4. Step 4: Simplify right side
    404,330.08x = 174,977,104,855.41
  5. Step 5: Solve for x
    x = 174,977,104,855.41/404,330.08
  6. Step 6: Final answer
    x = 432,758.07

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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.