Finding the Fourth Proportional to 622,125.09, 931,692.71 and 355,075.99
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Solution
The fourth proportional to 622,125.09, 931,692.71 and 355,075.99 is: 531,760.76
Step by Step Solution
- Step 1: Write the proportion equation
622,125.09 : 931,692.71 = 355,075.99 : x - Step 2: Convert to fraction form
622,125.09/931,692.71 = 355,075.99/x - Step 3: Cross multiply
622,125.09x = 931,692.71 × 355,075.99 - Step 4: Simplify right side
622,125.09x = 330,821,709,937.49 - Step 5: Solve for x
x = 330,821,709,937.49/622,125.09 - Step 6: Final answer
x = 531,760.76
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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.