Finding the Fourth Proportional to 979,682.24, 1,470,082.97 and 380,565.41
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Solution
The fourth proportional to 979,682.24, 1,470,082.97 and 380,565.41 is: 571,065.49
Step by Step Solution
- Step 1: Write the proportion equation
979,682.24 : 1,470,082.97 = 380,565.41 : x - Step 2: Convert to fraction form
979,682.24/1,470,082.97 = 380,565.41/x - Step 3: Cross multiply
979,682.24x = 1,470,082.97 × 380,565.41 - Step 4: Simplify right side
979,682.24x = 559,462,721,813.07 - Step 5: Solve for x
x = 559,462,721,813.07/979,682.24 - Step 6: Final answer
x = 571,065.49
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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.