Finding the Fourth Proportional to 719,814.08, 993,343.52 and 401,862.08
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Solution
The fourth proportional to 719,814.08, 993,343.52 and 401,862.08 is: 554,569.72
Step by Step Solution
- Step 1: Write the proportion equation
719,814.08 : 993,343.52 = 401,862.08 : x - Step 2: Convert to fraction form
719,814.08/993,343.52 = 401,862.08/x - Step 3: Cross multiply
719,814.08x = 993,343.52 × 401,862.08 - Step 4: Simplify right side
719,814.08x = 399,187,093,101.72 - Step 5: Solve for x
x = 399,187,093,101.72/719,814.08 - Step 6: Final answer
x = 554,569.72
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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.