Finding the Fourth Proportional to 990,694.62, 1,367,163.63 and 537,985.62
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Solution
The fourth proportional to 990,694.62, 1,367,163.63 and 537,985.62 is: 742,422.90
Step by Step Solution
- Step 1: Write the proportion equation
990,694.62 : 1,367,163.63 = 537,985.62 : x - Step 2: Convert to fraction form
990,694.62/1,367,163.63 = 537,985.62/x - Step 3: Cross multiply
990,694.62x = 1,367,163.63 × 537,985.62 - Step 4: Simplify right side
990,694.62x = 735,514,373,127.00 - Step 5: Solve for x
x = 735,514,373,127.00/990,694.62 - Step 6: Final answer
x = 742,422.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.