Home / 740,979.06-1,111,559.48-208,500.59

Finding the Fourth Proportional to 740,979.06, 1,111,559.48 and 208,500.59

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Solution

The fourth proportional to 740,979.06, 1,111,559.48 and 208,500.59 is: 312,776.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,979.06 : 1,111,559.48 = 208,500.59 : x
  2. Step 2: Convert to fraction form
    740,979.06/1,111,559.48 = 208,500.59/x
  3. Step 3: Cross multiply
    740,979.06x = 1,111,559.48 × 208,500.59
  4. Step 4: Simplify right side
    740,979.06x = 231,760,809,918.37
  5. Step 5: Solve for x
    x = 231,760,809,918.37/740,979.06
  6. Step 6: Final answer
    x = 312,776.47

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1.5x scale

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.