Finding the Fourth Proportional to 691,615.84, 1,037,423.76 and 534,074.08
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Solution
The fourth proportional to 691,615.84, 1,037,423.76 and 534,074.08 is: 801,111.12
Step by Step Solution
- Step 1: Write the proportion equation
691,615.84 : 1,037,423.76 = 534,074.08 : x - Step 2: Convert to fraction form
691,615.84/1,037,423.76 = 534,074.08/x - Step 3: Cross multiply
691,615.84x = 1,037,423.76 × 534,074.08 - Step 4: Simplify right side
691,615.84x = 554,061,140,192.14 - Step 5: Solve for x
x = 554,061,140,192.14/691,615.84 - Step 6: Final answer
x = 801,111.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.