Home / 511,725.92-706,182.46-282,278.04

Finding the Fourth Proportional to 511,725.92, 706,182.46 and 282,278.04

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Solution

The fourth proportional to 511,725.92, 706,182.46 and 282,278.04 is: 389,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,725.92 : 706,182.46 = 282,278.04 : x
  2. Step 2: Convert to fraction form
    511,725.92/706,182.46 = 282,278.04/x
  3. Step 3: Cross multiply
    511,725.92x = 706,182.46 × 282,278.04
  4. Step 4: Simplify right side
    511,725.92x = 199,339,800,691.18
  5. Step 5: Solve for x
    x = 199,339,800,691.18/511,725.92
  6. Step 6: Final answer
    x = 389,544.08

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1.5x scale

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.