Finding the Fourth Proportional to 748,278.20, 1,032,607.14 and 408,747.80
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Solution
The fourth proportional to 748,278.20, 1,032,607.14 and 408,747.80 is: 564,062.80
Step by Step Solution
- Step 1: Write the proportion equation
748,278.20 : 1,032,607.14 = 408,747.80 : x - Step 2: Convert to fraction form
748,278.20/1,032,607.14 = 408,747.80/x - Step 3: Cross multiply
748,278.20x = 1,032,607.14 × 408,747.80 - Step 4: Simplify right side
748,278.20x = 422,075,896,739.29 - Step 5: Solve for x
x = 422,075,896,739.29/748,278.20 - Step 6: Final answer
x = 564,062.80
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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.