Home / 808,065.48-1,115,138.16-445,502.64

Finding the Fourth Proportional to 808,065.48, 1,115,138.16 and 445,502.64

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Solution

The fourth proportional to 808,065.48, 1,115,138.16 and 445,502.64 is: 614,797.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,065.48 : 1,115,138.16 = 445,502.64 : x
  2. Step 2: Convert to fraction form
    808,065.48/1,115,138.16 = 445,502.64/x
  3. Step 3: Cross multiply
    808,065.48x = 1,115,138.16 × 445,502.64
  4. Step 4: Simplify right side
    808,065.48x = 496,796,994,244.74
  5. Step 5: Solve for x
    x = 496,796,994,244.74/808,065.48
  6. Step 6: Final answer
    x = 614,797.94

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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.