Finding the Fourth Proportional to 781,282.24, 1,170,717.18 and 527,568.40
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Solution
The fourth proportional to 781,282.24, 1,170,717.18 and 527,568.40 is: 790,538.12
Step by Step Solution
- Step 1: Write the proportion equation
781,282.24 : 1,170,717.18 = 527,568.40 : x - Step 2: Convert to fraction form
781,282.24/1,170,717.18 = 527,568.40/x - Step 3: Cross multiply
781,282.24x = 1,170,717.18 × 527,568.40 - Step 4: Simplify right side
781,282.24x = 617,633,389,505.11 - Step 5: Solve for x
x = 617,633,389,505.11/781,282.24 - Step 6: Final answer
x = 790,538.12
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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.