Home / 1,029,896.30-1,544,844.45-319,918.70

Finding the Fourth Proportional to 1,029,896.30, 1,544,844.45 and 319,918.70

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Solution

The fourth proportional to 1,029,896.30, 1,544,844.45 and 319,918.70 is: 479,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,896.30 : 1,544,844.45 = 319,918.70 : x
  2. Step 2: Convert to fraction form
    1,029,896.30/1,544,844.45 = 319,918.70/x
  3. Step 3: Cross multiply
    1,029,896.30x = 1,544,844.45 × 319,918.70
  4. Step 4: Simplify right side
    1,029,896.30x = 494,224,628,146.22
  5. Step 5: Solve for x
    x = 494,224,628,146.22/1,029,896.30
  6. Step 6: Final answer
    x = 479,878.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.