Home / 804,178.35-1,109,778.89-436,655.28

Finding the Fourth Proportional to 804,178.35, 1,109,778.89 and 436,655.28

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Solution

The fourth proportional to 804,178.35, 1,109,778.89 and 436,655.28 is: 602,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,178.35 : 1,109,778.89 = 436,655.28 : x
  2. Step 2: Convert to fraction form
    804,178.35/1,109,778.89 = 436,655.28/x
  3. Step 3: Cross multiply
    804,178.35x = 1,109,778.89 × 436,655.28
  4. Step 4: Simplify right side
    804,178.35x = 484,590,809,767.76
  5. Step 5: Solve for x
    x = 484,590,809,767.76/804,178.35
  6. Step 6: Final answer
    x = 602,591.22

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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.