Finding the Fourth Proportional to 626,486.81, 864,552.39 and 340,006.97
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Solution
The fourth proportional to 626,486.81, 864,552.39 and 340,006.97 is: 469,209.94
Step by Step Solution
- Step 1: Write the proportion equation
626,486.81 : 864,552.39 = 340,006.97 : x - Step 2: Convert to fraction form
626,486.81/864,552.39 = 340,006.97/x - Step 3: Cross multiply
626,486.81x = 864,552.39 × 340,006.97 - Step 4: Simplify right side
626,486.81x = 293,953,834,553.41 - Step 5: Solve for x
x = 293,953,834,553.41/626,486.81 - Step 6: Final answer
x = 469,209.94
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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.