Finding the Fourth Proportional to 626,989.82, 865,604.62 and 412,752.68
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Solution
The fourth proportional to 626,989.82, 865,604.62 and 412,752.68 is: 569,834.80
Step by Step Solution
- Step 1: Write the proportion equation
626,989.82 : 865,604.62 = 412,752.68 : x - Step 2: Convert to fraction form
626,989.82/865,604.62 = 412,752.68/x - Step 3: Cross multiply
626,989.82x = 865,604.62 × 412,752.68 - Step 4: Simplify right side
626,989.82x = 357,280,620,333.60 - Step 5: Solve for x
x = 357,280,620,333.60/626,989.82 - Step 6: Final answer
x = 569,834.80
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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.