Finding the Fourth Proportional to 976,913.80, 1,465,370.70 and 935,441.80
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Solution
The fourth proportional to 976,913.80, 1,465,370.70 and 935,441.80 is: 1,403,162.70
Step by Step Solution
- Step 1: Write the proportion equation
976,913.80 : 1,465,370.70 = 935,441.80 : x - Step 2: Convert to fraction form
976,913.80/1,465,370.70 = 935,441.80/x - Step 3: Cross multiply
976,913.80x = 1,465,370.70 × 935,441.80 - Step 4: Simplify right side
976,913.80x = 1,370,769,005,275.26 - Step 5: Solve for x
x = 1,370,769,005,275.26/976,913.80 - Step 6: Final answer
x = 1,403,162.70
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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.