Finding the Fourth Proportional to 564,215.62, 778,602.36 and 343,370.08
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Solution
The fourth proportional to 564,215.62, 778,602.36 and 343,370.08 is: 473,841.47
Step by Step Solution
- Step 1: Write the proportion equation
564,215.62 : 778,602.36 = 343,370.08 : x - Step 2: Convert to fraction form
564,215.62/778,602.36 = 343,370.08/x - Step 3: Cross multiply
564,215.62x = 778,602.36 × 343,370.08 - Step 4: Simplify right side
564,215.62x = 267,348,757,074.52 - Step 5: Solve for x
x = 267,348,757,074.52/564,215.62 - Step 6: Final answer
x = 473,841.47
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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.