Home / 802,758.08-1,107,793.32-440,185.07

Finding the Fourth Proportional to 802,758.08, 1,107,793.32 and 440,185.07

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Solution

The fourth proportional to 802,758.08, 1,107,793.32 and 440,185.07 is: 607,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,758.08 : 1,107,793.32 = 440,185.07 : x
  2. Step 2: Convert to fraction form
    802,758.08/1,107,793.32 = 440,185.07/x
  3. Step 3: Cross multiply
    802,758.08x = 1,107,793.32 × 440,185.07
  4. Step 4: Simplify right side
    802,758.08x = 487,634,080,109.73
  5. Step 5: Solve for x
    x = 487,634,080,109.73/802,758.08
  6. Step 6: Final answer
    x = 607,448.36

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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.