Finding the Fourth Proportional to 804,985.77, 1,110,907.00 and 442,422.48
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Solution
The fourth proportional to 804,985.77, 1,110,907.00 and 442,422.48 is: 610,557.66
Step by Step Solution
- Step 1: Write the proportion equation
804,985.77 : 1,110,907.00 = 442,422.48 : x - Step 2: Convert to fraction form
804,985.77/1,110,907.00 = 442,422.48/x - Step 3: Cross multiply
804,985.77x = 1,110,907.00 × 442,422.48 - Step 4: Simplify right side
804,985.77x = 491,490,228,459.44 - Step 5: Solve for x
x = 491,490,228,459.44/804,985.77 - Step 6: Final answer
x = 610,557.66
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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.