Finding the Fourth Proportional to 626,988.41, 865,602.68 and 412,751.26
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Solution
The fourth proportional to 626,988.41, 865,602.68 and 412,751.26 is: 569,832.85
Step by Step Solution
- Step 1: Write the proportion equation
626,988.41 : 865,602.68 = 412,751.26 : x - Step 2: Convert to fraction form
626,988.41/865,602.68 = 412,751.26/x - Step 3: Cross multiply
626,988.41x = 865,602.68 × 412,751.26 - Step 4: Simplify right side
626,988.41x = 357,278,596,363.56 - Step 5: Solve for x
x = 357,278,596,363.56/626,988.41 - Step 6: Final answer
x = 569,832.85
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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.