Finding the Fourth Proportional to 773,438.18, 1,067,540.87 and 528,522.07
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Solution
The fourth proportional to 773,438.18, 1,067,540.87 and 528,522.07 is: 729,494.52
Step by Step Solution
- Step 1: Write the proportion equation
773,438.18 : 1,067,540.87 = 528,522.07 : x - Step 2: Convert to fraction form
773,438.18/1,067,540.87 = 528,522.07/x - Step 3: Cross multiply
773,438.18x = 1,067,540.87 × 528,522.07 - Step 4: Simplify right side
773,438.18x = 564,218,910,422.00 - Step 5: Solve for x
x = 564,218,910,422.00/773,438.18 - Step 6: Final answer
x = 729,494.52
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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.