Home / 739,984.44-1,020,485.52-491,186.40

Finding the Fourth Proportional to 739,984.44, 1,020,485.52 and 491,186.40

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Solution

The fourth proportional to 739,984.44, 1,020,485.52 and 491,186.40 is: 677,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,984.44 : 1,020,485.52 = 491,186.40 : x
  2. Step 2: Convert to fraction form
    739,984.44/1,020,485.52 = 491,186.40/x
  3. Step 3: Cross multiply
    739,984.44x = 1,020,485.52 × 491,186.40
  4. Step 4: Simplify right side
    739,984.44x = 501,248,608,820.93
  5. Step 5: Solve for x
    x = 501,248,608,820.93/739,984.44
  6. Step 6: Final answer
    x = 677,377.23

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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.