Finding the Fourth Proportional to 751,058.65, 1,036,454.16 and 406,886.68
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Solution
The fourth proportional to 751,058.65, 1,036,454.16 and 406,886.68 is: 561,499.95
Step by Step Solution
- Step 1: Write the proportion equation
751,058.65 : 1,036,454.16 = 406,886.68 : x - Step 2: Convert to fraction form
751,058.65/1,036,454.16 = 406,886.68/x - Step 3: Cross multiply
751,058.65x = 1,036,454.16 × 406,886.68 - Step 4: Simplify right side
751,058.65x = 421,719,392,134.59 - Step 5: Solve for x
x = 421,719,392,134.59/751,058.65 - Step 6: Final answer
x = 561,499.95
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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.