Finding the Fourth Proportional to 622,869.09, 859,559.40 and 336,389.10
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Solution
The fourth proportional to 622,869.09, 859,559.40 and 336,389.10 is: 464,216.99
Step by Step Solution
- Step 1: Write the proportion equation
622,869.09 : 859,559.40 = 336,389.10 : x - Step 2: Convert to fraction form
622,869.09/859,559.40 = 336,389.10/x - Step 3: Cross multiply
622,869.09x = 859,559.40 × 336,389.10 - Step 4: Simplify right side
622,869.09x = 289,146,412,962.54 - Step 5: Solve for x
x = 289,146,412,962.54/622,869.09 - Step 6: Final answer
x = 464,216.99
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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.