Finding the Fourth Proportional to 622,389.80, 933,584.70 and 306,805.70
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Solution
The fourth proportional to 622,389.80, 933,584.70 and 306,805.70 is: 460,208.55
Step by Step Solution
- Step 1: Write the proportion equation
622,389.80 : 933,584.70 = 306,805.70 : x - Step 2: Convert to fraction form
622,389.80/933,584.70 = 306,805.70/x - Step 3: Cross multiply
622,389.80x = 933,584.70 × 306,805.70 - Step 4: Simplify right side
622,389.80x = 286,429,107,392.79 - Step 5: Solve for x
x = 286,429,107,392.79/622,389.80 - Step 6: Final answer
x = 460,208.55
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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.