Finding the Fourth Proportional to 893,955.12, 1,339,457.96 and 515,193.98
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Solution
The fourth proportional to 893,955.12, 1,339,457.96 and 515,193.98 is: 771,941.08
Step by Step Solution
- Step 1: Write the proportion equation
893,955.12 : 1,339,457.96 = 515,193.98 : x - Step 2: Convert to fraction form
893,955.12/1,339,457.96 = 515,193.98/x - Step 3: Cross multiply
893,955.12x = 1,339,457.96 × 515,193.98 - Step 4: Simplify right side
893,955.12x = 690,080,677,455.08 - Step 5: Solve for x
x = 690,080,677,455.08/893,955.12 - Step 6: Final answer
x = 771,941.08
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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.