Home / 403,934.08-557,961.47-301,782.01

Finding the Fourth Proportional to 403,934.08, 557,961.47 and 301,782.01

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Solution

The fourth proportional to 403,934.08, 557,961.47 and 301,782.01 is: 416,856.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,934.08 : 557,961.47 = 301,782.01 : x
  2. Step 2: Convert to fraction form
    403,934.08/557,961.47 = 301,782.01/x
  3. Step 3: Cross multiply
    403,934.08x = 557,961.47 × 301,782.01
  4. Step 4: Simplify right side
    403,934.08x = 168,382,732,410.25
  5. Step 5: Solve for x
    x = 168,382,732,410.25/403,934.08
  6. Step 6: Final answer
    x = 416,856.96

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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.