Finding the Fourth Proportional to 804,666.40, 1,110,458.16 and 442,112.88
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Solution
The fourth proportional to 804,666.40, 1,110,458.16 and 442,112.88 is: 610,125.95
Step by Step Solution
- Step 1: Write the proportion equation
804,666.40 : 1,110,458.16 = 442,112.88 : x - Step 2: Convert to fraction form
804,666.40/1,110,458.16 = 442,112.88/x - Step 3: Cross multiply
804,666.40x = 1,110,458.16 × 442,112.88 - Step 4: Simplify right side
804,666.40x = 490,947,855,237.10 - Step 5: Solve for x
x = 490,947,855,237.10/804,666.40 - Step 6: Final answer
x = 610,125.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.