Home / 511,271.07-706,829.54-383,725.23

Finding the Fourth Proportional to 511,271.07, 706,829.54 and 383,725.23

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Solution

The fourth proportional to 511,271.07, 706,829.54 and 383,725.23 is: 530,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,271.07 : 706,829.54 = 383,725.23 : x
  2. Step 2: Convert to fraction form
    511,271.07/706,829.54 = 383,725.23/x
  3. Step 3: Cross multiply
    511,271.07x = 706,829.54 × 383,725.23
  4. Step 4: Simplify right side
    511,271.07x = 271,228,325,888.67
  5. Step 5: Solve for x
    x = 271,228,325,888.67/511,271.07
  6. Step 6: Final answer
    x = 530,498.09

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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.