Finding the Fourth Proportional to 989,114.16, 1,365,035.12 and 553,527.84
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Solution
The fourth proportional to 989,114.16, 1,365,035.12 and 553,527.84 is: 763,900.64
Step by Step Solution
- Step 1: Write the proportion equation
989,114.16 : 1,365,035.12 = 553,527.84 : x - Step 2: Convert to fraction form
989,114.16/1,365,035.12 = 553,527.84/x - Step 3: Cross multiply
989,114.16x = 1,365,035.12 × 553,527.84 - Step 4: Simplify right side
989,114.16x = 755,584,941,497.74 - Step 5: Solve for x
x = 755,584,941,497.74/989,114.16 - Step 6: Final answer
x = 763,900.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.