Finding the Fourth Proportional to 526,554.25, 726,349.62 and 322,703.98
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Solution
The fourth proportional to 526,554.25, 726,349.62 and 322,703.98 is: 445,150.55
Step by Step Solution
- Step 1: Write the proportion equation
526,554.25 : 726,349.62 = 322,703.98 : x - Step 2: Convert to fraction form
526,554.25/726,349.62 = 322,703.98/x - Step 3: Cross multiply
526,554.25x = 726,349.62 × 322,703.98 - Step 4: Simplify right side
526,554.25x = 234,395,913,245.49 - Step 5: Solve for x
x = 234,395,913,245.49/526,554.25 - Step 6: Final answer
x = 445,150.55
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1.5x scale
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.