Home / 857,271.30-1,286,120.82-605,044.52

Finding the Fourth Proportional to 857,271.30, 1,286,120.82 and 605,044.52

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Solution

The fourth proportional to 857,271.30, 1,286,120.82 and 605,044.52 is: 907,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,271.30 : 1,286,120.82 = 605,044.52 : x
  2. Step 2: Convert to fraction form
    857,271.30/1,286,120.82 = 605,044.52/x
  3. Step 3: Cross multiply
    857,271.30x = 1,286,120.82 × 605,044.52
  4. Step 4: Simplify right side
    857,271.30x = 778,160,347,768.30
  5. Step 5: Solve for x
    x = 778,160,347,768.30/857,271.30
  6. Step 6: Final answer
    x = 907,717.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.