Finding the Fourth Proportional to 990,599.26, 1,367,026.96 and 537,890.26
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Solution
The fourth proportional to 990,599.26, 1,367,026.96 and 537,890.26 is: 742,288.55
Step by Step Solution
- Step 1: Write the proportion equation
990,599.26 : 1,367,026.96 = 537,890.26 : x - Step 2: Convert to fraction form
990,599.26/1,367,026.96 = 537,890.26/x - Step 3: Cross multiply
990,599.26x = 1,367,026.96 × 537,890.26 - Step 4: Simplify right side
990,599.26x = 735,310,486,941.41 - Step 5: Solve for x
x = 735,310,486,941.41/990,599.26 - Step 6: Final answer
x = 742,288.55
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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.