Finding the Fourth Proportional to 567,068.96, 782,557.08 and 312,419.52
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Solution
The fourth proportional to 567,068.96, 782,557.08 and 312,419.52 is: 431,139.99
Step by Step Solution
- Step 1: Write the proportion equation
567,068.96 : 782,557.08 = 312,419.52 : x - Step 2: Convert to fraction form
567,068.96/782,557.08 = 312,419.52/x - Step 3: Cross multiply
567,068.96x = 782,557.08 × 312,419.52 - Step 4: Simplify right side
567,068.96x = 244,486,107,306.20 - Step 5: Solve for x
x = 244,486,107,306.20/567,068.96 - Step 6: Final answer
x = 431,139.99
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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.