Home / 672,677.06-1,009,261.62-313,019.44

Finding the Fourth Proportional to 672,677.06, 1,009,261.62 and 313,019.44

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Solution

The fourth proportional to 672,677.06, 1,009,261.62 and 313,019.44 is: 469,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,677.06 : 1,009,261.62 = 313,019.44 : x
  2. Step 2: Convert to fraction form
    672,677.06/1,009,261.62 = 313,019.44/x
  3. Step 3: Cross multiply
    672,677.06x = 1,009,261.62 × 313,019.44
  4. Step 4: Simplify right side
    672,677.06x = 315,918,504,582.74
  5. Step 5: Solve for x
    x = 315,918,504,582.74/672,677.06
  6. Step 6: Final answer
    x = 469,643.65

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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.