Finding the Fourth Proportional to 750,912.60, 1,126,515.90 and 330,187.26
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Solution
The fourth proportional to 750,912.60, 1,126,515.90 and 330,187.26 is: 495,345.53
Step by Step Solution
- Step 1: Write the proportion equation
750,912.60 : 1,126,515.90 = 330,187.26 : x - Step 2: Convert to fraction form
750,912.60/1,126,515.90 = 330,187.26/x - Step 3: Cross multiply
750,912.60x = 1,126,515.90 × 330,187.26 - Step 4: Simplify right side
750,912.60x = 371,961,198,367.43 - Step 5: Solve for x
x = 371,961,198,367.43/750,912.60 - Step 6: Final answer
x = 495,345.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.