Home / 403,921.80-557,944.50-301,769.76

Finding the Fourth Proportional to 403,921.80, 557,944.50 and 301,769.76

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Solution

The fourth proportional to 403,921.80, 557,944.50 and 301,769.76 is: 416,840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,921.80 : 557,944.50 = 301,769.76 : x
  2. Step 2: Convert to fraction form
    403,921.80/557,944.50 = 301,769.76/x
  3. Step 3: Cross multiply
    403,921.80x = 557,944.50 × 301,769.76
  4. Step 4: Simplify right side
    403,921.80x = 168,370,777,858.32
  5. Step 5: Solve for x
    x = 168,370,777,858.32/403,921.80
  6. Step 6: Final answer
    x = 416,840.04

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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.