Finding the Fourth Proportional to 864,101.70, 1,296,152.55 and 759,125.70
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Solution
The fourth proportional to 864,101.70, 1,296,152.55 and 759,125.70 is: 1,138,688.55
Step by Step Solution
- Step 1: Write the proportion equation
864,101.70 : 1,296,152.55 = 759,125.70 : x - Step 2: Convert to fraction form
864,101.70/1,296,152.55 = 759,125.70/x - Step 3: Cross multiply
864,101.70x = 1,296,152.55 × 759,125.70 - Step 4: Simplify right side
864,101.70x = 983,942,711,825.54 - Step 5: Solve for x
x = 983,942,711,825.54/864,101.70 - Step 6: Final answer
x = 1,138,688.55
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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.