Finding the Fourth Proportional to 577,349.36, 796,779.48 and 322,711.28
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Solution
The fourth proportional to 577,349.36, 796,779.48 and 322,711.28 is: 445,362.45
Step by Step Solution
- Step 1: Write the proportion equation
577,349.36 : 796,779.48 = 322,711.28 : x - Step 2: Convert to fraction form
577,349.36/796,779.48 = 322,711.28/x - Step 3: Cross multiply
577,349.36x = 796,779.48 × 322,711.28 - Step 4: Simplify right side
577,349.36x = 257,129,725,868.53 - Step 5: Solve for x
x = 257,129,725,868.53/577,349.36 - Step 6: Final answer
x = 445,362.45
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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.