Finding the Fourth Proportional to 870,863.18, 1,201,580.87 and 508,079.97
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Solution
The fourth proportional to 870,863.18, 1,201,580.87 and 508,079.97 is: 701,027.66
Step by Step Solution
- Step 1: Write the proportion equation
870,863.18 : 1,201,580.87 = 508,079.97 : x - Step 2: Convert to fraction form
870,863.18/1,201,580.87 = 508,079.97/x - Step 3: Cross multiply
870,863.18x = 1,201,580.87 × 508,079.97 - Step 4: Simplify right side
870,863.18x = 610,499,169,841.77 - Step 5: Solve for x
x = 610,499,169,841.77/870,863.18 - Step 6: Final answer
x = 701,027.66
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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.