Finding the Fourth Proportional to 757,738.71, 1,135,838.94 and 647,132.53
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Solution
The fourth proportional to 757,738.71, 1,135,838.94 and 647,132.53 is: 970,041.94
Step by Step Solution
- Step 1: Write the proportion equation
757,738.71 : 1,135,838.94 = 647,132.53 : x - Step 2: Convert to fraction form
757,738.71/1,135,838.94 = 647,132.53/x - Step 3: Cross multiply
757,738.71x = 1,135,838.94 × 647,132.53 - Step 4: Simplify right side
757,738.71x = 735,038,326,914.72 - Step 5: Solve for x
x = 735,038,326,914.72/757,738.71 - Step 6: Final answer
x = 970,041.94
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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.