Finding the Fourth Proportional to 989,035.63, 1,364,869.16 and 536,326.99
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Solution
The fourth proportional to 989,035.63, 1,364,869.16 and 536,326.99 is: 740,131.24
Step by Step Solution
- Step 1: Write the proportion equation
989,035.63 : 1,364,869.16 = 536,326.99 : x - Step 2: Convert to fraction form
989,035.63/1,364,869.16 = 536,326.99/x - Step 3: Cross multiply
989,035.63x = 1,364,869.16 × 536,326.99 - Step 4: Simplify right side
989,035.63x = 732,016,168,326.63 - Step 5: Solve for x
x = 732,016,168,326.63/989,035.63 - Step 6: Final answer
x = 740,131.24
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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.