Finding the Fourth Proportional to 705,802.96, 973,990.99 and 395,684.99
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Solution
The fourth proportional to 705,802.96, 973,990.99 and 395,684.99 is: 546,035.70
Step by Step Solution
- Step 1: Write the proportion equation
705,802.96 : 973,990.99 = 395,684.99 : x - Step 2: Convert to fraction form
705,802.96/973,990.99 = 395,684.99/x - Step 3: Cross multiply
705,802.96x = 973,990.99 × 395,684.99 - Step 4: Simplify right side
705,802.96x = 385,393,615,138.24 - Step 5: Solve for x
x = 385,393,615,138.24/705,802.96 - Step 6: Final answer
x = 546,035.70
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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.