Finding the Fourth Proportional to 864,612.20, 1,193,115.34 and 482,663.18
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Solution
The fourth proportional to 864,612.20, 1,193,115.34 and 482,663.18 is: 666,047.56
Step by Step Solution
- Step 1: Write the proportion equation
864,612.20 : 1,193,115.34 = 482,663.18 : x - Step 2: Convert to fraction form
864,612.20/1,193,115.34 = 482,663.18/x - Step 3: Cross multiply
864,612.20x = 1,193,115.34 × 482,663.18 - Step 4: Simplify right side
864,612.20x = 575,872,844,111.18 - Step 5: Solve for x
x = 575,872,844,111.18/864,612.20 - Step 6: Final answer
x = 666,047.56
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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.