Finding the Fourth Proportional to 476,386.18, 713,645.10 and 276,286.32
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Solution
The fourth proportional to 476,386.18, 713,645.10 and 276,286.32 is: 413,887.70
Step by Step Solution
- Step 1: Write the proportion equation
476,386.18 : 713,645.10 = 276,286.32 : x - Step 2: Convert to fraction form
476,386.18/713,645.10 = 276,286.32/x - Step 3: Cross multiply
476,386.18x = 713,645.10 × 276,286.32 - Step 4: Simplify right side
476,386.18x = 197,170,378,465.03 - Step 5: Solve for x
x = 197,170,378,465.03/476,386.18 - Step 6: Final answer
x = 413,887.70
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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.