Home / 740,888.22-1,111,203.16-208,282.64

Finding the Fourth Proportional to 740,888.22, 1,111,203.16 and 208,282.64

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Solution

The fourth proportional to 740,888.22, 1,111,203.16 and 208,282.64 is: 312,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,888.22 : 1,111,203.16 = 208,282.64 : x
  2. Step 2: Convert to fraction form
    740,888.22/1,111,203.16 = 208,282.64/x
  3. Step 3: Cross multiply
    740,888.22x = 1,111,203.16 × 208,282.64
  4. Step 4: Simplify right side
    740,888.22x = 231,444,327,914.94
  5. Step 5: Solve for x
    x = 231,444,327,914.94/740,888.22
  6. Step 6: Final answer
    x = 312,387.65

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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.