Finding the Fourth Proportional to 977,048.78, 1,465,517.58 and 293,921.11
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Solution
The fourth proportional to 977,048.78, 1,465,517.58 and 293,921.11 is: 440,864.94
Step by Step Solution
- Step 1: Write the proportion equation
977,048.78 : 1,465,517.58 = 293,921.11 : x - Step 2: Convert to fraction form
977,048.78/1,465,517.58 = 293,921.11/x - Step 3: Cross multiply
977,048.78x = 1,465,517.58 × 293,921.11 - Step 4: Simplify right side
977,048.78x = 430,746,548,804.23 - Step 5: Solve for x
x = 430,746,548,804.23/977,048.78 - Step 6: Final answer
x = 440,864.94
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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.