Finding the Fourth Proportional to 875,152.75, 1,207,711.88 and 472,744.75
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Solution
The fourth proportional to 875,152.75, 1,207,711.88 and 472,744.75 is: 652,388.34
Step by Step Solution
- Step 1: Write the proportion equation
875,152.75 : 1,207,711.88 = 472,744.75 : x - Step 2: Convert to fraction form
875,152.75/1,207,711.88 = 472,744.75/x - Step 3: Cross multiply
875,152.75x = 1,207,711.88 × 472,744.75 - Step 4: Simplify right side
875,152.75x = 570,939,448,418.91 - Step 5: Solve for x
x = 570,939,448,418.91/875,152.75 - Step 6: Final answer
x = 652,388.34
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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.