Home / 804,539.69-1,206,820.53-205,505.81

Finding the Fourth Proportional to 804,539.69, 1,206,820.53 and 205,505.81

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Solution

The fourth proportional to 804,539.69, 1,206,820.53 and 205,505.81 is: 308,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,539.69 : 1,206,820.53 = 205,505.81 : x
  2. Step 2: Convert to fraction form
    804,539.69/1,206,820.53 = 205,505.81/x
  3. Step 3: Cross multiply
    804,539.69x = 1,206,820.53 × 205,505.81
  4. Step 4: Simplify right side
    804,539.69x = 248,008,624,508.18
  5. Step 5: Solve for x
    x = 248,008,624,508.18/804,539.69
  6. Step 6: Final answer
    x = 308,261.52

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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.