Home / 559,618.06-772,273.05-304,969.30

Finding the Fourth Proportional to 559,618.06, 772,273.05 and 304,969.30

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Solution

The fourth proportional to 559,618.06, 772,273.05 and 304,969.30 is: 420,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,618.06 : 772,273.05 = 304,969.30 : x
  2. Step 2: Convert to fraction form
    559,618.06/772,273.05 = 304,969.30/x
  3. Step 3: Cross multiply
    559,618.06x = 772,273.05 × 304,969.30
  4. Step 4: Simplify right side
    559,618.06x = 235,519,571,467.37
  5. Step 5: Solve for x
    x = 235,519,571,467.37/559,618.06
  6. Step 6: Final answer
    x = 420,857.70

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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.