Home / 808,065.35-1,115,137.40-445,502.06

Finding the Fourth Proportional to 808,065.35, 1,115,137.40 and 445,502.06

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Solution

The fourth proportional to 808,065.35, 1,115,137.40 and 445,502.06 is: 614,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,065.35 : 1,115,137.40 = 445,502.06 : x
  2. Step 2: Convert to fraction form
    808,065.35/1,115,137.40 = 445,502.06/x
  3. Step 3: Cross multiply
    808,065.35x = 1,115,137.40 × 445,502.06
  4. Step 4: Simplify right side
    808,065.35x = 496,796,008,883.04
  5. Step 5: Solve for x
    x = 496,796,008,883.04/808,065.35
  6. Step 6: Final answer
    x = 614,796.82

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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.