Finding the Fourth Proportional to 961,817.94, 1,327,193.37 and 554,053.14
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Solution
The fourth proportional to 961,817.94, 1,327,193.37 and 554,053.14 is: 764,526.86
Step by Step Solution
- Step 1: Write the proportion equation
961,817.94 : 1,327,193.37 = 554,053.14 : x - Step 2: Convert to fraction form
961,817.94/1,327,193.37 = 554,053.14/x - Step 3: Cross multiply
961,817.94x = 1,327,193.37 × 554,053.14 - Step 4: Simplify right side
961,817.94x = 735,335,654,035.68 - Step 5: Solve for x
x = 735,335,654,035.68/961,817.94 - Step 6: Final answer
x = 764,526.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.