Finding the Fourth Proportional to 875,166.75, 1,207,731.20 and 472,758.75
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Solution
The fourth proportional to 875,166.75, 1,207,731.20 and 472,758.75 is: 652,407.66
Step by Step Solution
- Step 1: Write the proportion equation
875,166.75 : 1,207,731.20 = 472,758.75 : x - Step 2: Convert to fraction form
875,166.75/1,207,731.20 = 472,758.75/x - Step 3: Cross multiply
875,166.75x = 1,207,731.20 × 472,758.75 - Step 4: Simplify right side
875,166.75x = 570,965,490,084.21 - Step 5: Solve for x
x = 570,965,490,084.21/875,166.75 - Step 6: Final answer
x = 652,407.66
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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.