Finding the Fourth Proportional to 554,807.19, 765,626.36 and 309,795.73
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Solution
The fourth proportional to 554,807.19, 765,626.36 and 309,795.73 is: 427,513.89
Step by Step Solution
- Step 1: Write the proportion equation
554,807.19 : 765,626.36 = 309,795.73 : x - Step 2: Convert to fraction form
554,807.19/765,626.36 = 309,795.73/x - Step 3: Cross multiply
554,807.19x = 765,626.36 × 309,795.73 - Step 4: Simplify right side
554,807.19x = 237,187,777,673.23 - Step 5: Solve for x
x = 237,187,777,673.23/554,807.19 - Step 6: Final answer
x = 427,513.89
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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.