Finding the Fourth Proportional to 989,551.48, 1,484,353.15 and 341,120.81
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Solution
The fourth proportional to 989,551.48, 1,484,353.15 and 341,120.81 is: 511,690.15
Step by Step Solution
- Step 1: Write the proportion equation
989,551.48 : 1,484,353.15 = 341,120.81 : x - Step 2: Convert to fraction form
989,551.48/1,484,353.15 = 341,120.81/x - Step 3: Cross multiply
989,551.48x = 1,484,353.15 × 341,120.81 - Step 4: Simplify right side
989,551.48x = 506,343,741,432.29 - Step 5: Solve for x
x = 506,343,741,432.29/989,551.48 - Step 6: Final answer
x = 511,690.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.