Finding the Fourth Proportional to 571,352.72, 788,523.17 and 326,374.14
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Solution
The fourth proportional to 571,352.72, 788,523.17 and 326,374.14 is: 450,428.54
Step by Step Solution
- Step 1: Write the proportion equation
571,352.72 : 788,523.17 = 326,374.14 : x - Step 2: Convert to fraction form
571,352.72/788,523.17 = 326,374.14/x - Step 3: Cross multiply
571,352.72x = 788,523.17 × 326,374.14 - Step 4: Simplify right side
571,352.72x = 257,353,572,422.05 - Step 5: Solve for x
x = 257,353,572,422.05/571,352.72 - Step 6: Final answer
x = 450,428.54
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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.