Finding the Fourth Proportional to 824,157.99, 1,238,137.52 and 790,107.78
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Solution
The fourth proportional to 824,157.99, 1,238,137.52 and 790,107.78 is: 1,186,983.68
Step by Step Solution
- Step 1: Write the proportion equation
824,157.99 : 1,238,137.52 = 790,107.78 : x - Step 2: Convert to fraction form
824,157.99/1,238,137.52 = 790,107.78/x - Step 3: Cross multiply
824,157.99x = 1,238,137.52 × 790,107.78 - Step 4: Simplify right side
824,157.99x = 978,262,087,954.38 - Step 5: Solve for x
x = 978,262,087,954.38/824,157.99 - Step 6: Final answer
x = 1,186,983.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.