Finding the Fourth Proportional to 755,671.32, 1,042,833.48 and 416,142
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Solution
The fourth proportional to 755,671.32, 1,042,833.48 and 416,142 is: 574,279.85
Step by Step Solution
- Step 1: Write the proportion equation
755,671.32 : 1,042,833.48 = 416,142 : x - Step 2: Convert to fraction form
755,671.32/1,042,833.48 = 416,142/x - Step 3: Cross multiply
755,671.32x = 1,042,833.48 × 416,142 - Step 4: Simplify right side
755,671.32x = 433,966,810,034.16 - Step 5: Solve for x
x = 433,966,810,034.16/755,671.32 - Step 6: Final answer
x = 574,279.85
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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.