Finding the Fourth Proportional to 721,555.94, 995,852.29 and 415,572.77
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Solution
The fourth proportional to 721,555.94, 995,852.29 and 415,572.77 is: 573,550.95
Step by Step Solution
- Step 1: Write the proportion equation
721,555.94 : 995,852.29 = 415,572.77 : x - Step 2: Convert to fraction form
721,555.94/995,852.29 = 415,572.77/x - Step 3: Cross multiply
721,555.94x = 995,852.29 × 415,572.77 - Step 4: Simplify right side
721,555.94x = 413,849,094,666.14 - Step 5: Solve for x
x = 413,849,094,666.14/721,555.94 - Step 6: Final answer
x = 573,550.95
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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.