Finding the Fourth Proportional to 876,059.67, 1,208,964.15 and 473,651.67
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Solution
The fourth proportional to 876,059.67, 1,208,964.15 and 473,651.67 is: 653,640.28
Step by Step Solution
- Step 1: Write the proportion equation
876,059.67 : 1,208,964.15 = 473,651.67 : x - Step 2: Convert to fraction form
876,059.67/1,208,964.15 = 473,651.67/x - Step 3: Cross multiply
876,059.67x = 1,208,964.15 × 473,651.67 - Step 4: Simplify right side
876,059.67x = 572,627,888,617.63 - Step 5: Solve for x
x = 572,627,888,617.63/876,059.67 - Step 6: Final answer
x = 653,640.28
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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.