Finding the Fourth Proportional to 898,184.65, 1,239,309.72 and 516,137.62
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Solution
The fourth proportional to 898,184.65, 1,239,309.72 and 516,137.62 is: 712,163.55
Step by Step Solution
- Step 1: Write the proportion equation
898,184.65 : 1,239,309.72 = 516,137.62 : x - Step 2: Convert to fraction form
898,184.65/1,239,309.72 = 516,137.62/x - Step 3: Cross multiply
898,184.65x = 1,239,309.72 × 516,137.62 - Step 4: Simplify right side
898,184.65x = 639,654,368,549.10 - Step 5: Solve for x
x = 639,654,368,549.10/898,184.65 - Step 6: Final answer
x = 712,163.55
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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.