Home / 906,428.06-1,250,879.06-492,968.69

Finding the Fourth Proportional to 906,428.06, 1,250,879.06 and 492,968.69

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Solution

The fourth proportional to 906,428.06, 1,250,879.06 and 492,968.69 is: 680,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,428.06 : 1,250,879.06 = 492,968.69 : x
  2. Step 2: Convert to fraction form
    906,428.06/1,250,879.06 = 492,968.69/x
  3. Step 3: Cross multiply
    906,428.06x = 1,250,879.06 × 492,968.69
  4. Step 4: Simplify right side
    906,428.06x = 616,644,211,556.63
  5. Step 5: Solve for x
    x = 616,644,211,556.63/906,428.06
  6. Step 6: Final answer
    x = 680,301.33

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1.5x scale

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.