Finding the Fourth Proportional to 386,332.66, 578,803.93 and 363,542.75
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Solution
The fourth proportional to 386,332.66, 578,803.93 and 363,542.75 is: 544,660.07
Step by Step Solution
- Step 1: Write the proportion equation
386,332.66 : 578,803.93 = 363,542.75 : x - Step 2: Convert to fraction form
386,332.66/578,803.93 = 363,542.75/x - Step 3: Cross multiply
386,332.66x = 578,803.93 × 363,542.75 - Step 4: Simplify right side
386,332.66x = 210,419,970,790.65 - Step 5: Solve for x
x = 210,419,970,790.65/386,332.66 - Step 6: Final answer
x = 544,660.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.