Finding the Fourth Proportional to 1,207,689.68, 1,811,533.34 and 309,129.97
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Solution
The fourth proportional to 1,207,689.68, 1,811,533.34 and 309,129.97 is: 463,694.65
Step by Step Solution
- Step 1: Write the proportion equation
1,207,689.68 : 1,811,533.34 = 309,129.97 : x - Step 2: Convert to fraction form
1,207,689.68/1,811,533.34 = 309,129.97/x - Step 3: Cross multiply
1,207,689.68x = 1,811,533.34 × 309,129.97 - Step 4: Simplify right side
1,207,689.68x = 559,999,247,048.20 - Step 5: Solve for x
x = 559,999,247,048.20/1,207,689.68 - Step 6: Final answer
x = 463,694.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.