Finding the Fourth Proportional to 634,313.20, 875,392.68 and 419,075.68
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Solution
The fourth proportional to 634,313.20, 875,392.68 and 419,075.68 is: 578,351.17
Step by Step Solution
- Step 1: Write the proportion equation
634,313.20 : 875,392.68 = 419,075.68 : x - Step 2: Convert to fraction form
634,313.20/875,392.68 = 419,075.68/x - Step 3: Cross multiply
634,313.20x = 875,392.68 × 419,075.68 - Step 4: Simplify right side
634,313.20x = 366,855,782,638.02 - Step 5: Solve for x
x = 366,855,782,638.02/634,313.20 - Step 6: Final answer
x = 578,351.17
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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.