Finding the Fourth Proportional to 722,865.26, 997,579.79 and 436,329.38
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Solution
The fourth proportional to 722,865.26, 997,579.79 and 436,329.38 is: 602,150.08
Step by Step Solution
- Step 1: Write the proportion equation
722,865.26 : 997,579.79 = 436,329.38 : x - Step 2: Convert to fraction form
722,865.26/997,579.79 = 436,329.38/x - Step 3: Cross multiply
722,865.26x = 997,579.79 × 436,329.38 - Step 4: Simplify right side
722,865.26x = 435,273,371,271.23 - Step 5: Solve for x
x = 435,273,371,271.23/722,865.26 - Step 6: Final answer
x = 602,150.08
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1.5x scale
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.