Finding the Fourth Proportional to 518,227.91, 714,773.84 and 343,482.08
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Solution
The fourth proportional to 518,227.91, 714,773.84 and 343,482.08 is: 473,752.96
Step by Step Solution
- Step 1: Write the proportion equation
518,227.91 : 714,773.84 = 343,482.08 : x - Step 2: Convert to fraction form
518,227.91/714,773.84 = 343,482.08/x - Step 3: Cross multiply
518,227.91x = 714,773.84 × 343,482.08 - Step 4: Simplify right side
518,227.91x = 245,512,003,969.97 - Step 5: Solve for x
x = 245,512,003,969.97/518,227.91 - Step 6: Final answer
x = 473,752.96
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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.