Finding the Fourth Proportional to 571,028.24, 788,019.36 and 316,383.68
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Solution
The fourth proportional to 571,028.24, 788,019.36 and 316,383.68 is: 436,609.69
Step by Step Solution
- Step 1: Write the proportion equation
571,028.24 : 788,019.36 = 316,383.68 : x - Step 2: Convert to fraction form
571,028.24/788,019.36 = 316,383.68/x - Step 3: Cross multiply
571,028.24x = 788,019.36 × 316,383.68 - Step 4: Simplify right side
571,028.24x = 249,316,465,028.05 - Step 5: Solve for x
x = 249,316,465,028.05/571,028.24 - Step 6: Final answer
x = 436,609.69
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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.