Home / 868,672.20-1,303,202.70-336,145.80

Finding the Fourth Proportional to 868,672.20, 1,303,202.70 and 336,145.80

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Solution

The fourth proportional to 868,672.20, 1,303,202.70 and 336,145.80 is: 504,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,672.20 : 1,303,202.70 = 336,145.80 : x
  2. Step 2: Convert to fraction form
    868,672.20/1,303,202.70 = 336,145.80/x
  3. Step 3: Cross multiply
    868,672.20x = 1,303,202.70 × 336,145.80
  4. Step 4: Simplify right side
    868,672.20x = 438,066,114,153.66
  5. Step 5: Solve for x
    x = 438,066,114,153.66/868,672.20
  6. Step 6: Final answer
    x = 504,293.93

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Half scale
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Double scale
Find fourth proportional to 868,673.20, 1,303,204.20 and 336,146.80
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.