Finding the Fourth Proportional to 551,378.73, 760,813.30 and 344,622.74
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Solution
The fourth proportional to 551,378.73, 760,813.30 and 344,622.74 is: 475,523.54
Step by Step Solution
- Step 1: Write the proportion equation
551,378.73 : 760,813.30 = 344,622.74 : x - Step 2: Convert to fraction form
551,378.73/760,813.30 = 344,622.74/x - Step 3: Cross multiply
551,378.73x = 760,813.30 × 344,622.74 - Step 4: Simplify right side
551,378.73x = 262,193,564,074.44 - Step 5: Solve for x
x = 262,193,564,074.44/551,378.73 - Step 6: Final answer
x = 475,523.54
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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.