Home / 791,012.88-1,091,595.14-428,435.84

Finding the Fourth Proportional to 791,012.88, 1,091,595.14 and 428,435.84

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Solution

The fourth proportional to 791,012.88, 1,091,595.14 and 428,435.84 is: 591,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,012.88 : 1,091,595.14 = 428,435.84 : x
  2. Step 2: Convert to fraction form
    791,012.88/1,091,595.14 = 428,435.84/x
  3. Step 3: Cross multiply
    791,012.88x = 1,091,595.14 × 428,435.84
  4. Step 4: Simplify right side
    791,012.88x = 467,678,480,745.82
  5. Step 5: Solve for x
    x = 467,678,480,745.82/791,012.88
  6. Step 6: Final answer
    x = 591,240.03

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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.