Finding the Fourth Proportional to 656,051.26, 984,387.93 and 390,336.70
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Solution
The fourth proportional to 656,051.26, 984,387.93 and 390,336.70 is: 585,690.11
Step by Step Solution
- Step 1: Write the proportion equation
656,051.26 : 984,387.93 = 390,336.70 : x - Step 2: Convert to fraction form
656,051.26/984,387.93 = 390,336.70/x - Step 3: Cross multiply
656,051.26x = 984,387.93 × 390,336.70 - Step 4: Simplify right side
656,051.26x = 384,242,732,191.30 - Step 5: Solve for x
x = 384,242,732,191.30/656,051.26 - Step 6: Final answer
x = 585,690.11
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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.