Finding the Fourth Proportional to 858,207.52, 1,183,502.56 and 513,988.32
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Solution
The fourth proportional to 858,207.52, 1,183,502.56 and 513,988.32 is: 708,810.49
Step by Step Solution
- Step 1: Write the proportion equation
858,207.52 : 1,183,502.56 = 513,988.32 : x - Step 2: Convert to fraction form
858,207.52/1,183,502.56 = 513,988.32/x - Step 3: Cross multiply
858,207.52x = 1,183,502.56 × 513,988.32 - Step 4: Simplify right side
858,207.52x = 608,306,492,530.10 - Step 5: Solve for x
x = 608,306,492,530.10/858,207.52 - Step 6: Final answer
x = 708,810.49
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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.