Home / 558,945.36-771,320.40-304,297.44

Finding the Fourth Proportional to 558,945.36, 771,320.40 and 304,297.44

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Solution

The fourth proportional to 558,945.36, 771,320.40 and 304,297.44 is: 419,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,945.36 : 771,320.40 = 304,297.44 : x
  2. Step 2: Convert to fraction form
    558,945.36/771,320.40 = 304,297.44/x
  3. Step 3: Cross multiply
    558,945.36x = 771,320.40 × 304,297.44
  4. Step 4: Simplify right side
    558,945.36x = 234,710,823,139.78
  5. Step 5: Solve for x
    x = 234,710,823,139.78/558,945.36
  6. Step 6: Final answer
    x = 419,917.29

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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.