Finding the Fourth Proportional to 527,306.16, 727,734.60 and 300,985.68
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Solution
The fourth proportional to 527,306.16, 727,734.60 and 300,985.68 is: 415,389.98
Step by Step Solution
- Step 1: Write the proportion equation
527,306.16 : 727,734.60 = 300,985.68 : x - Step 2: Convert to fraction form
527,306.16/727,734.60 = 300,985.68/x - Step 3: Cross multiply
527,306.16x = 727,734.60 × 300,985.68 - Step 4: Simplify right side
527,306.16x = 219,037,693,440.53 - Step 5: Solve for x
x = 219,037,693,440.53/527,306.16 - Step 6: Final answer
x = 415,389.98
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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.