Home / 804,146.29-1,203,204.56-478,744.16

Finding the Fourth Proportional to 804,146.29, 1,203,204.56 and 478,744.16

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Solution

The fourth proportional to 804,146.29, 1,203,204.56 and 478,744.16 is: 716,321.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,146.29 : 1,203,204.56 = 478,744.16 : x
  2. Step 2: Convert to fraction form
    804,146.29/1,203,204.56 = 478,744.16/x
  3. Step 3: Cross multiply
    804,146.29x = 1,203,204.56 × 478,744.16
  4. Step 4: Simplify right side
    804,146.29x = 576,027,147,975.63
  5. Step 5: Solve for x
    x = 576,027,147,975.63/804,146.29
  6. Step 6: Final answer
    x = 716,321.34

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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.