Finding the Fourth Proportional to 704,804.13, 972,630.32 and 382,514.18
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Solution
The fourth proportional to 704,804.13, 972,630.32 and 382,514.18 is: 527,869.90
Step by Step Solution
- Step 1: Write the proportion equation
704,804.13 : 972,630.32 = 382,514.18 : x - Step 2: Convert to fraction form
704,804.13/972,630.32 = 382,514.18/x - Step 3: Cross multiply
704,804.13x = 972,630.32 × 382,514.18 - Step 4: Simplify right side
704,804.13x = 372,044,882,522.22 - Step 5: Solve for x
x = 372,044,882,522.22/704,804.13 - Step 6: Final answer
x = 527,869.90
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1.5x scale
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.