Finding the Fourth Proportional to 810,827.82, 1,119,053.68 and 466,656.80
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Solution
The fourth proportional to 810,827.82, 1,119,053.68 and 466,656.80 is: 644,050.43
Step by Step Solution
- Step 1: Write the proportion equation
810,827.82 : 1,119,053.68 = 466,656.80 : x - Step 2: Convert to fraction form
810,827.82/1,119,053.68 = 466,656.80/x - Step 3: Cross multiply
810,827.82x = 1,119,053.68 × 466,656.80 - Step 4: Simplify right side
810,827.82x = 522,214,002,575.11 - Step 5: Solve for x
x = 522,214,002,575.11/810,827.82 - Step 6: Final answer
x = 644,050.43
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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.