Finding the Fourth Proportional to 833,007.68, 1,149,511.20 and 493,421.12
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Solution
The fourth proportional to 833,007.68, 1,149,511.20 and 493,421.12 is: 680,897.81
Step by Step Solution
- Step 1: Write the proportion equation
833,007.68 : 1,149,511.20 = 493,421.12 : x - Step 2: Convert to fraction form
833,007.68/1,149,511.20 = 493,421.12/x - Step 3: Cross multiply
833,007.68x = 1,149,511.20 × 493,421.12 - Step 4: Simplify right side
833,007.68x = 567,193,103,756.54 - Step 5: Solve for x
x = 567,193,103,756.54/833,007.68 - Step 6: Final answer
x = 680,897.81
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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.