Home / 740,808.60-1,111,212.90-728,998.80

Finding the Fourth Proportional to 740,808.60, 1,111,212.90 and 728,998.80

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Solution

The fourth proportional to 740,808.60, 1,111,212.90 and 728,998.80 is: 1,093,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,808.60 : 1,111,212.90 = 728,998.80 : x
  2. Step 2: Convert to fraction form
    740,808.60/1,111,212.90 = 728,998.80/x
  3. Step 3: Cross multiply
    740,808.60x = 1,111,212.90 × 728,998.80
  4. Step 4: Simplify right side
    740,808.60x = 810,072,870,644.52
  5. Step 5: Solve for x
    x = 810,072,870,644.52/740,808.60
  6. Step 6: Final answer
    x = 1,093,498.20

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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.