Finding the Fourth Proportional to 551,573.55, 761,260.07 and 515,553.66
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Solution
The fourth proportional to 551,573.55, 761,260.07 and 515,553.66 is: 711,546.84
Step by Step Solution
- Step 1: Write the proportion equation
551,573.55 : 761,260.07 = 515,553.66 : x - Step 2: Convert to fraction form
551,573.55/761,260.07 = 515,553.66/x - Step 3: Cross multiply
551,573.55x = 761,260.07 × 515,553.66 - Step 4: Simplify right side
551,573.55x = 392,470,416,589.24 - Step 5: Solve for x
x = 392,470,416,589.24/551,573.55 - Step 6: Final answer
x = 711,546.84
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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.