Finding the Fourth Proportional to 648,336.08, 894,654.49 and 376,360.18
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Solution
The fourth proportional to 648,336.08, 894,654.49 and 376,360.18 is: 519,348.43
Step by Step Solution
- Step 1: Write the proportion equation
648,336.08 : 894,654.49 = 376,360.18 : x - Step 2: Convert to fraction form
648,336.08/894,654.49 = 376,360.18/x - Step 3: Cross multiply
648,336.08x = 894,654.49 × 376,360.18 - Step 4: Simplify right side
648,336.08x = 336,712,324,894.21 - Step 5: Solve for x
x = 336,712,324,894.21/648,336.08 - Step 6: Final answer
x = 519,348.43
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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.