Finding the Fourth Proportional to 674,887.29, 1,012,331.98 and 270,261.71
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Solution
The fourth proportional to 674,887.29, 1,012,331.98 and 270,261.71 is: 405,392.99
Step by Step Solution
- Step 1: Write the proportion equation
674,887.29 : 1,012,331.98 = 270,261.71 : x - Step 2: Convert to fraction form
674,887.29/1,012,331.98 = 270,261.71/x - Step 3: Cross multiply
674,887.29x = 1,012,331.98 × 270,261.71 - Step 4: Simplify right side
674,887.29x = 273,594,575,249.04 - Step 5: Solve for x
x = 273,594,575,249.04/674,887.29 - Step 6: Final answer
x = 405,392.99
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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.