Home / 808,051.52-1,115,118.84-445,488.64

Finding the Fourth Proportional to 808,051.52, 1,115,118.84 and 445,488.64

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Solution

The fourth proportional to 808,051.52, 1,115,118.84 and 445,488.64 is: 614,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,051.52 : 1,115,118.84 = 445,488.64 : x
  2. Step 2: Convert to fraction form
    808,051.52/1,115,118.84 = 445,488.64/x
  3. Step 3: Cross multiply
    808,051.52x = 1,115,118.84 × 445,488.64
  4. Step 4: Simplify right side
    808,051.52x = 496,772,775,469.98
  5. Step 5: Solve for x
    x = 496,772,775,469.98/808,051.52
  6. Step 6: Final answer
    x = 614,778.59

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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.