Finding the Fourth Proportional to 713,286.24, 1,069,759.60 and 286,823.08
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Solution
The fourth proportional to 713,286.24, 1,069,759.60 and 286,823.08 is: 430,166.36
Step by Step Solution
- Step 1: Write the proportion equation
713,286.24 : 1,069,759.60 = 286,823.08 : x - Step 2: Convert to fraction form
713,286.24/1,069,759.60 = 286,823.08/x - Step 3: Cross multiply
713,286.24x = 1,069,759.60 × 286,823.08 - Step 4: Simplify right side
713,286.24x = 306,831,743,331.57 - Step 5: Solve for x
x = 306,831,743,331.57/713,286.24 - Step 6: Final answer
x = 430,166.36
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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.