Finding the Fourth Proportional to 713,355.42, 1,070,383.37 and 286,874.00
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Solution
The fourth proportional to 713,355.42, 1,070,383.37 and 286,874.00 is: 430,451.84
Step by Step Solution
- Step 1: Write the proportion equation
713,355.42 : 1,070,383.37 = 286,874.00 : x - Step 2: Convert to fraction form
713,355.42/1,070,383.37 = 286,874.00/x - Step 3: Cross multiply
713,355.42x = 1,070,383.37 × 286,874.00 - Step 4: Simplify right side
713,355.42x = 307,065,152,099.09 - Step 5: Solve for x
x = 307,065,152,099.09/713,355.42 - Step 6: Final answer
x = 430,451.84
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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.