Home / 628,419.80-867,743.16-582,833

Finding the Fourth Proportional to 628,419.80, 867,743.16 and 582,833

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Solution

The fourth proportional to 628,419.80, 867,743.16 and 582,833 is: 804,795.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,419.80 : 867,743.16 = 582,833 : x
  2. Step 2: Convert to fraction form
    628,419.80/867,743.16 = 582,833/x
  3. Step 3: Cross multiply
    628,419.80x = 867,743.16 × 582,833
  4. Step 4: Simplify right side
    628,419.80x = 505,749,349,172.28
  5. Step 5: Solve for x
    x = 505,749,349,172.28/628,419.80
  6. Step 6: Final answer
    x = 804,795.38

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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.