Finding the Fourth Proportional to 634,264.36, 951,555.18 and 447,640.36
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Solution
The fourth proportional to 634,264.36, 951,555.18 and 447,640.36 is: 671,572.50
Step by Step Solution
- Step 1: Write the proportion equation
634,264.36 : 951,555.18 = 447,640.36 : x - Step 2: Convert to fraction form
634,264.36/951,555.18 = 447,640.36/x - Step 3: Cross multiply
634,264.36x = 951,555.18 × 447,640.36 - Step 4: Simplify right side
634,264.36x = 425,954,503,335.07 - Step 5: Solve for x
x = 425,954,503,335.07/634,264.36 - Step 6: Final answer
x = 671,572.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.