Finding the Fourth Proportional to 713,893.06, 1,070,495.14 and 414,449.02
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Solution
The fourth proportional to 713,893.06, 1,070,495.14 and 414,449.02 is: 621,473.56
Step by Step Solution
- Step 1: Write the proportion equation
713,893.06 : 1,070,495.14 = 414,449.02 : x - Step 2: Convert to fraction form
713,893.06/1,070,495.14 = 414,449.02/x - Step 3: Cross multiply
713,893.06x = 1,070,495.14 × 414,449.02 - Step 4: Simplify right side
713,893.06x = 443,665,661,687.76 - Step 5: Solve for x
x = 443,665,661,687.76/713,893.06 - Step 6: Final answer
x = 621,473.56
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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.