Finding the Fourth Proportional to 804,613.88, 1,110,362.56 and 442,029.94
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Solution
The fourth proportional to 804,613.88, 1,110,362.56 and 442,029.94 is: 609,998.79
Step by Step Solution
- Step 1: Write the proportion equation
804,613.88 : 1,110,362.56 = 442,029.94 : x - Step 2: Convert to fraction form
804,613.88/1,110,362.56 = 442,029.94/x - Step 3: Cross multiply
804,613.88x = 1,110,362.56 × 442,029.94 - Step 4: Simplify right side
804,613.88x = 490,813,495,775.05 - Step 5: Solve for x
x = 490,813,495,775.05/804,613.88 - Step 6: Final answer
x = 609,998.79
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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.