Finding the Fourth Proportional to 626,376.65, 864,402.08 and 339,896.76
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Solution
The fourth proportional to 626,376.65, 864,402.08 and 339,896.76 is: 469,058.78
Step by Step Solution
- Step 1: Write the proportion equation
626,376.65 : 864,402.08 = 339,896.76 : x - Step 2: Convert to fraction form
626,376.65/864,402.08 = 339,896.76/x - Step 3: Cross multiply
626,376.65x = 864,402.08 × 339,896.76 - Step 4: Simplify right side
626,376.65x = 293,807,463,300.19 - Step 5: Solve for x
x = 293,807,463,300.19/626,376.65 - Step 6: Final answer
x = 469,058.78
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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.