Finding the Fourth Proportional to 953,419.26, 1,315,718.70 and 523,706.70
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Solution
The fourth proportional to 953,419.26, 1,315,718.70 and 523,706.70 is: 722,715.31
Step by Step Solution
- Step 1: Write the proportion equation
953,419.26 : 1,315,718.70 = 523,706.70 : x - Step 2: Convert to fraction form
953,419.26/1,315,718.70 = 523,706.70/x - Step 3: Cross multiply
953,419.26x = 1,315,718.70 × 523,706.70 - Step 4: Simplify right side
953,419.26x = 689,050,698,505.29 - Step 5: Solve for x
x = 689,050,698,505.29/953,419.26 - Step 6: Final answer
x = 722,715.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.