Finding the Fourth Proportional to 913,144.05, 1,260,175.93 and 505,239.26
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Solution
The fourth proportional to 913,144.05, 1,260,175.93 and 505,239.26 is: 697,250.72
Step by Step Solution
- Step 1: Write the proportion equation
913,144.05 : 1,260,175.93 = 505,239.26 : x - Step 2: Convert to fraction form
913,144.05/1,260,175.93 = 505,239.26/x - Step 3: Cross multiply
913,144.05x = 1,260,175.93 × 505,239.26 - Step 4: Simplify right side
913,144.05x = 636,690,346,779.03 - Step 5: Solve for x
x = 636,690,346,779.03/913,144.05 - Step 6: Final answer
x = 697,250.72
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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.