Home / 511,947.12-706,486.48-282,504.36

Finding the Fourth Proportional to 511,947.12, 706,486.48 and 282,504.36

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Solution

The fourth proportional to 511,947.12, 706,486.48 and 282,504.36 is: 389,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,947.12 : 706,486.48 = 282,504.36 : x
  2. Step 2: Convert to fraction form
    511,947.12/706,486.48 = 282,504.36/x
  3. Step 3: Cross multiply
    511,947.12x = 706,486.48 × 282,504.36
  4. Step 4: Simplify right side
    511,947.12x = 199,585,510,881.05
  5. Step 5: Solve for x
    x = 199,585,510,881.05/511,947.12
  6. Step 6: Final answer
    x = 389,855.72

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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.