Finding the Fourth Proportional to 648,203.84, 894,378.48 and 376,114.08
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Solution
The fourth proportional to 648,203.84, 894,378.48 and 376,114.08 is: 518,954.56
Step by Step Solution
- Step 1: Write the proportion equation
648,203.84 : 894,378.48 = 376,114.08 : x - Step 2: Convert to fraction form
648,203.84/894,378.48 = 376,114.08/x - Step 3: Cross multiply
648,203.84x = 894,378.48 × 376,114.08 - Step 4: Simplify right side
648,203.84x = 336,388,339,177.00 - Step 5: Solve for x
x = 336,388,339,177.00/648,203.84 - Step 6: Final answer
x = 518,954.56
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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.