Finding the Fourth Proportional to 773,437.68, 1,067,540.18 and 528,521.57
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Solution
The fourth proportional to 773,437.68, 1,067,540.18 and 528,521.57 is: 729,493.83
Step by Step Solution
- Step 1: Write the proportion equation
773,437.68 : 1,067,540.18 = 528,521.57 : x - Step 2: Convert to fraction form
773,437.68/1,067,540.18 = 528,521.57/x - Step 3: Cross multiply
773,437.68x = 1,067,540.18 × 528,521.57 - Step 4: Simplify right side
773,437.68x = 564,218,011,971.68 - Step 5: Solve for x
x = 564,218,011,971.68/773,437.68 - Step 6: Final answer
x = 729,493.83
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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.