Finding the Fourth Proportional to 485,055.70, 727,583.55 and 372,951.70
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Solution
The fourth proportional to 485,055.70, 727,583.55 and 372,951.70 is: 559,427.55
Step by Step Solution
- Step 1: Write the proportion equation
485,055.70 : 727,583.55 = 372,951.70 : x - Step 2: Convert to fraction form
485,055.70/727,583.55 = 372,951.70/x - Step 3: Cross multiply
485,055.70x = 727,583.55 × 372,951.70 - Step 4: Simplify right side
485,055.70x = 271,353,521,864.54 - Step 5: Solve for x
x = 271,353,521,864.54/485,055.70 - Step 6: Final answer
x = 559,427.55
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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.