Finding the Fourth Proportional to 979,528.41, 1,465,490.93 and 858,676.10
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Solution
The fourth proportional to 979,528.41, 1,465,490.93 and 858,676.10 is: 1,284,681.50
Step by Step Solution
- Step 1: Write the proportion equation
979,528.41 : 1,465,490.93 = 858,676.10 : x - Step 2: Convert to fraction form
979,528.41/1,465,490.93 = 858,676.10/x - Step 3: Cross multiply
979,528.41x = 1,465,490.93 × 858,676.10 - Step 4: Simplify right side
979,528.41x = 1,258,382,024,736.94 - Step 5: Solve for x
x = 1,258,382,024,736.94/979,528.41 - Step 6: Final answer
x = 1,284,681.50
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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.