Finding the Fourth Proportional to 551,351.70, 827,027.55 and 458,039.70
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Solution
The fourth proportional to 551,351.70, 827,027.55 and 458,039.70 is: 687,059.55
Step by Step Solution
- Step 1: Write the proportion equation
551,351.70 : 827,027.55 = 458,039.70 : x - Step 2: Convert to fraction form
551,351.70/827,027.55 = 458,039.70/x - Step 3: Cross multiply
551,351.70x = 827,027.55 × 458,039.70 - Step 4: Simplify right side
551,351.70x = 378,811,450,893.74 - Step 5: Solve for x
x = 378,811,450,893.74/551,351.70 - Step 6: Final answer
x = 687,059.55
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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.