Finding the Fourth Proportional to 876,041.62, 1,208,939.26 and 473,633.62
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Solution
The fourth proportional to 876,041.62, 1,208,939.26 and 473,633.62 is: 653,615.38
Step by Step Solution
- Step 1: Write the proportion equation
876,041.62 : 1,208,939.26 = 473,633.62 : x - Step 2: Convert to fraction form
876,041.62/1,208,939.26 = 473,633.62/x - Step 3: Cross multiply
876,041.62x = 1,208,939.26 × 473,633.62 - Step 4: Simplify right side
876,041.62x = 572,594,278,073.92 - Step 5: Solve for x
x = 572,594,278,073.92/876,041.62 - Step 6: Final answer
x = 653,615.38
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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.