Finding the Fourth Proportional to 864,479.24, 1,193,613.54 and 558,736.68
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Solution
The fourth proportional to 864,479.24, 1,193,613.54 and 558,736.68 is: 771,465.22
Step by Step Solution
- Step 1: Write the proportion equation
864,479.24 : 1,193,613.54 = 558,736.68 : x - Step 2: Convert to fraction form
864,479.24/1,193,613.54 = 558,736.68/x - Step 3: Cross multiply
864,479.24x = 1,193,613.54 × 558,736.68 - Step 4: Simplify right side
864,479.24x = 666,915,666,542.65 - Step 5: Solve for x
x = 666,915,666,542.65/864,479.24 - Step 6: Final answer
x = 771,465.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.