Finding the Fourth Proportional to 879,198.92, 1,319,020.14 and 406,218.68
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Solution
The fourth proportional to 879,198.92, 1,319,020.14 and 406,218.68 is: 609,430.48
Step by Step Solution
- Step 1: Write the proportion equation
879,198.92 : 1,319,020.14 = 406,218.68 : x - Step 2: Convert to fraction form
879,198.92/1,319,020.14 = 406,218.68/x - Step 3: Cross multiply
879,198.92x = 1,319,020.14 × 406,218.68 - Step 4: Simplify right side
879,198.92x = 535,810,620,164.22 - Step 5: Solve for x
x = 535,810,620,164.22/879,198.92 - Step 6: Final answer
x = 609,430.48
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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.