Finding the Fourth Proportional to 785,003.94, 1,083,446.82 and 462,695.22
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Solution
The fourth proportional to 785,003.94, 1,083,446.82 and 462,695.22 is: 638,602.74
Step by Step Solution
- Step 1: Write the proportion equation
785,003.94 : 1,083,446.82 = 462,695.22 : x - Step 2: Convert to fraction form
785,003.94/1,083,446.82 = 462,695.22/x - Step 3: Cross multiply
785,003.94x = 1,083,446.82 × 462,695.22 - Step 4: Simplify right side
785,003.94x = 501,305,664,738.20 - Step 5: Solve for x
x = 501,305,664,738.20/785,003.94 - Step 6: Final answer
x = 638,602.74
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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.