Finding the Fourth Proportional to 876,265.77, 1,209,246.26 and 473,857.77
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Solution
The fourth proportional to 876,265.77, 1,209,246.26 and 473,857.77 is: 653,923.45
Step by Step Solution
- Step 1: Write the proportion equation
876,265.77 : 1,209,246.26 = 473,857.77 : x - Step 2: Convert to fraction form
876,265.77/1,209,246.26 = 473,857.77/x - Step 3: Cross multiply
876,265.77x = 1,209,246.26 × 473,857.77 - Step 4: Simplify right side
876,265.77x = 573,010,733,775.15 - Step 5: Solve for x
x = 573,010,733,775.15/876,265.77 - Step 6: Final answer
x = 653,923.45
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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.