Finding the Fourth Proportional to 518,961.12, 716,235.66 and 304,186.92
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Solution
The fourth proportional to 518,961.12, 716,235.66 and 304,186.92 is: 419,818.58
Step by Step Solution
- Step 1: Write the proportion equation
518,961.12 : 716,235.66 = 304,186.92 : x - Step 2: Convert to fraction form
518,961.12/716,235.66 = 304,186.92/x - Step 3: Cross multiply
518,961.12x = 716,235.66 × 304,186.92 - Step 4: Simplify right side
518,961.12x = 217,869,519,409.57 - Step 5: Solve for x
x = 217,869,519,409.57/518,961.12 - Step 6: Final answer
x = 419,818.58
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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.