Finding the Fourth Proportional to 918,638.04, 1,378,237.17 and 469,674.18
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Solution
The fourth proportional to 918,638.04, 1,378,237.17 and 469,674.18 is: 704,654.48
Step by Step Solution
- Step 1: Write the proportion equation
918,638.04 : 1,378,237.17 = 469,674.18 : x - Step 2: Convert to fraction form
918,638.04/1,378,237.17 = 469,674.18/x - Step 3: Cross multiply
918,638.04x = 1,378,237.17 × 469,674.18 - Step 4: Simplify right side
918,638.04x = 647,322,414,426.55 - Step 5: Solve for x
x = 647,322,414,426.55/918,638.04 - Step 6: Final answer
x = 704,654.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.