Home / 985,987.52-1,479,018.40-275,997.36

Finding the Fourth Proportional to 985,987.52, 1,479,018.40 and 275,997.36

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Solution

The fourth proportional to 985,987.52, 1,479,018.40 and 275,997.36 is: 414,006.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,987.52 : 1,479,018.40 = 275,997.36 : x
  2. Step 2: Convert to fraction form
    985,987.52/1,479,018.40 = 275,997.36/x
  3. Step 3: Cross multiply
    985,987.52x = 1,479,018.40 × 275,997.36
  4. Step 4: Simplify right side
    985,987.52x = 408,205,173,791.42
  5. Step 5: Solve for x
    x = 408,205,173,791.42/985,987.52
  6. Step 6: Final answer
    x = 414,006.43

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1.5x scale

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.