Home / 891,999.84-1,230,960.41-484,101.60

Finding the Fourth Proportional to 891,999.84, 1,230,960.41 and 484,101.60

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Solution

The fourth proportional to 891,999.84, 1,230,960.41 and 484,101.60 is: 668,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,999.84 : 1,230,960.41 = 484,101.60 : x
  2. Step 2: Convert to fraction form
    891,999.84/1,230,960.41 = 484,101.60/x
  3. Step 3: Cross multiply
    891,999.84x = 1,230,960.41 × 484,101.60
  4. Step 4: Simplify right side
    891,999.84x = 595,909,901,597.15
  5. Step 5: Solve for x
    x = 595,909,901,597.15/891,999.84
  6. Step 6: Final answer
    x = 668,060.55

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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.