Home / 985,933.52-1,478,786.04-276,018.32

Finding the Fourth Proportional to 985,933.52, 1,478,786.04 and 276,018.32

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Solution

The fourth proportional to 985,933.52, 1,478,786.04 and 276,018.32 is: 413,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,933.52 : 1,478,786.04 = 276,018.32 : x
  2. Step 2: Convert to fraction form
    985,933.52/1,478,786.04 = 276,018.32/x
  3. Step 3: Cross multiply
    985,933.52x = 1,478,786.04 × 276,018.32
  4. Step 4: Simplify right side
    985,933.52x = 408,172,038,400.25
  5. Step 5: Solve for x
    x = 408,172,038,400.25/985,933.52
  6. Step 6: Final answer
    x = 413,995.50

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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.