Finding the Fourth Proportional to 864,618.48, 1,193,293.44 and 482,670
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Solution
The fourth proportional to 864,618.48, 1,193,293.44 and 482,670 is: 666,151.55
Step by Step Solution
- Step 1: Write the proportion equation
864,618.48 : 1,193,293.44 = 482,670 : x - Step 2: Convert to fraction form
864,618.48/1,193,293.44 = 482,670/x - Step 3: Cross multiply
864,618.48x = 1,193,293.44 × 482,670 - Step 4: Simplify right side
864,618.48x = 575,966,944,684.80 - Step 5: Solve for x
x = 575,966,944,684.80/864,618.48 - Step 6: Final answer
x = 666,151.55
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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.