Finding the Fourth Proportional to 554,989.93, 765,888.36 and 300,341.11
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Solution
The fourth proportional to 554,989.93, 765,888.36 and 300,341.11 is: 414,471.95
Step by Step Solution
- Step 1: Write the proportion equation
554,989.93 : 765,888.36 = 300,341.11 : x - Step 2: Convert to fraction form
554,989.93/765,888.36 = 300,341.11/x - Step 3: Cross multiply
554,989.93x = 765,888.36 × 300,341.11 - Step 4: Simplify right side
554,989.93x = 230,027,760,178.48 - Step 5: Solve for x
x = 230,027,760,178.48/554,989.93 - Step 6: Final answer
x = 414,471.95
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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.