Home / 808,642.05-1,213,108.31-276,038.49

Finding the Fourth Proportional to 808,642.05, 1,213,108.31 and 276,038.49

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Solution

The fourth proportional to 808,642.05, 1,213,108.31 and 276,038.49 is: 414,107.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,642.05 : 1,213,108.31 = 276,038.49 : x
  2. Step 2: Convert to fraction form
    808,642.05/1,213,108.31 = 276,038.49/x
  3. Step 3: Cross multiply
    808,642.05x = 1,213,108.31 × 276,038.49
  4. Step 4: Simplify right side
    808,642.05x = 334,864,586,098.85
  5. Step 5: Solve for x
    x = 334,864,586,098.85/808,642.05
  6. Step 6: Final answer
    x = 414,107.31

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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.