Finding the Fourth Proportional to 989,035.76, 1,364,869.33 and 536,327.12
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Solution
The fourth proportional to 989,035.76, 1,364,869.33 and 536,327.12 is: 740,131.42
Step by Step Solution
- Step 1: Write the proportion equation
989,035.76 : 1,364,869.33 = 536,327.12 : x - Step 2: Convert to fraction form
989,035.76/1,364,869.33 = 536,327.12/x - Step 3: Cross multiply
989,035.76x = 1,364,869.33 × 536,327.12 - Step 4: Simplify right side
989,035.76x = 732,016,436,935.23 - Step 5: Solve for x
x = 732,016,436,935.23/989,035.76 - Step 6: Final answer
x = 740,131.42
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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.