Finding the Fourth Proportional to 816,451.95, 1,125,042.08 and 631,567.32
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Solution
The fourth proportional to 816,451.95, 1,125,042.08 and 631,567.32 is: 870,277.56
Step by Step Solution
- Step 1: Write the proportion equation
816,451.95 : 1,125,042.08 = 631,567.32 : x - Step 2: Convert to fraction form
816,451.95/1,125,042.08 = 631,567.32/x - Step 3: Cross multiply
816,451.95x = 1,125,042.08 × 631,567.32 - Step 4: Simplify right side
816,451.95x = 710,539,808,194.99 - Step 5: Solve for x
x = 710,539,808,194.99/816,451.95 - Step 6: Final answer
x = 870,277.56
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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.