Finding the Fourth Proportional to 769,457.98, 1,153,823.71 and 449,701.58
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Solution
The fourth proportional to 769,457.98, 1,153,823.71 and 449,701.58 is: 674,340.07
Step by Step Solution
- Step 1: Write the proportion equation
769,457.98 : 1,153,823.71 = 449,701.58 : x - Step 2: Convert to fraction form
769,457.98/1,153,823.71 = 449,701.58/x - Step 3: Cross multiply
769,457.98x = 1,153,823.71 × 449,701.58 - Step 4: Simplify right side
769,457.98x = 518,876,345,428.46 - Step 5: Solve for x
x = 518,876,345,428.46/769,457.98 - Step 6: Final answer
x = 674,340.07
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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.