Finding the Fourth Proportional to 750,918.99, 1,036,269.26 and 406,758.63
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Solution
The fourth proportional to 750,918.99, 1,036,269.26 and 406,758.63 is: 561,327.48
Step by Step Solution
- Step 1: Write the proportion equation
750,918.99 : 1,036,269.26 = 406,758.63 : x - Step 2: Convert to fraction form
750,918.99/1,036,269.26 = 406,758.63/x - Step 3: Cross multiply
750,918.99x = 1,036,269.26 × 406,758.63 - Step 4: Simplify right side
750,918.99x = 421,511,464,508.71 - Step 5: Solve for x
x = 421,511,464,508.71/750,918.99 - Step 6: Final answer
x = 561,327.48
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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.