Home / 822,109.80-1,231,998.30-607,200.60

Finding the Fourth Proportional to 822,109.80, 1,231,998.30 and 607,200.60

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Solution

The fourth proportional to 822,109.80, 1,231,998.30 and 607,200.60 is: 909,939.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,109.80 : 1,231,998.30 = 607,200.60 : x
  2. Step 2: Convert to fraction form
    822,109.80/1,231,998.30 = 607,200.60/x
  3. Step 3: Cross multiply
    822,109.80x = 1,231,998.30 × 607,200.60
  4. Step 4: Simplify right side
    822,109.80x = 748,070,106,958.98
  5. Step 5: Solve for x
    x = 748,070,106,958.98/822,109.80
  6. Step 6: Final answer
    x = 909,939.41

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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.