Finding the Fourth Proportional to 852,203.99, 1,277,972.46 and 319,434.45
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Solution
The fourth proportional to 852,203.99, 1,277,972.46 and 319,434.45 is: 479,026.66
Step by Step Solution
- Step 1: Write the proportion equation
852,203.99 : 1,277,972.46 = 319,434.45 : x - Step 2: Convert to fraction form
852,203.99/1,277,972.46 = 319,434.45/x - Step 3: Cross multiply
852,203.99x = 1,277,972.46 × 319,434.45 - Step 4: Simplify right side
852,203.99x = 408,228,429,875.25 - Step 5: Solve for x
x = 408,228,429,875.25/852,203.99 - Step 6: Final answer
x = 479,026.66
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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.