Finding the Fourth Proportional to 781,364.20, 1,168,848.94 and 590,405.08
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Solution
The fourth proportional to 781,364.20, 1,168,848.94 and 590,405.08 is: 883,191.67
Step by Step Solution
- Step 1: Write the proportion equation
781,364.20 : 1,168,848.94 = 590,405.08 : x - Step 2: Convert to fraction form
781,364.20/1,168,848.94 = 590,405.08/x - Step 3: Cross multiply
781,364.20x = 1,168,848.94 × 590,405.08 - Step 4: Simplify right side
781,364.20x = 690,094,351,928.62 - Step 5: Solve for x
x = 690,094,351,928.62/781,364.20 - Step 6: Final answer
x = 883,191.67
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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.