Finding the Fourth Proportional to 990,602.56, 1,367,037.12 and 537,893.68
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Solution
The fourth proportional to 990,602.56, 1,367,037.12 and 537,893.68 is: 742,296.31
Step by Step Solution
- Step 1: Write the proportion equation
990,602.56 : 1,367,037.12 = 537,893.68 : x - Step 2: Convert to fraction form
990,602.56/1,367,037.12 = 537,893.68/x - Step 3: Cross multiply
990,602.56x = 1,367,037.12 × 537,893.68 - Step 4: Simplify right side
990,602.56x = 735,320,627,173.40 - Step 5: Solve for x
x = 735,320,627,173.40/990,602.56 - Step 6: Final answer
x = 742,296.31
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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.