Home / 699,041.80-1,048,562.70-225,742.60

Finding the Fourth Proportional to 699,041.80, 1,048,562.70 and 225,742.60

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Solution

The fourth proportional to 699,041.80, 1,048,562.70 and 225,742.60 is: 338,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,041.80 : 1,048,562.70 = 225,742.60 : x
  2. Step 2: Convert to fraction form
    699,041.80/1,048,562.70 = 225,742.60/x
  3. Step 3: Cross multiply
    699,041.80x = 1,048,562.70 × 225,742.60
  4. Step 4: Simplify right side
    699,041.80x = 236,705,270,161.02
  5. Step 5: Solve for x
    x = 236,705,270,161.02/699,041.80
  6. Step 6: Final answer
    x = 338,613.90

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Double scale
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Similar ratio
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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.