Finding the Fourth Proportional to 583,691.80, 875,537.70 and 412,449.70
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Solution
The fourth proportional to 583,691.80, 875,537.70 and 412,449.70 is: 618,674.55
Step by Step Solution
- Step 1: Write the proportion equation
583,691.80 : 875,537.70 = 412,449.70 : x - Step 2: Convert to fraction form
583,691.80/875,537.70 = 412,449.70/x - Step 3: Cross multiply
583,691.80x = 875,537.70 × 412,449.70 - Step 4: Simplify right side
583,691.80x = 361,115,261,703.69 - Step 5: Solve for x
x = 361,115,261,703.69/583,691.80 - Step 6: Final answer
x = 618,674.55
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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.