Finding the Fourth Proportional to 700,684.05, 966,943.98 and 378,394.13
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Solution
The fourth proportional to 700,684.05, 966,943.98 and 378,394.13 is: 522,183.90
Step by Step Solution
- Step 1: Write the proportion equation
700,684.05 : 966,943.98 = 378,394.13 : x - Step 2: Convert to fraction form
700,684.05/966,943.98 = 378,394.13/x - Step 3: Cross multiply
700,684.05x = 966,943.98 × 378,394.13 - Step 4: Simplify right side
700,684.05x = 365,885,928,488.20 - Step 5: Solve for x
x = 365,885,928,488.20/700,684.05 - Step 6: Final answer
x = 522,183.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.