Finding the Fourth Proportional to 878,363.99, 1,211,658.10 and 606,574.56
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Solution
The fourth proportional to 878,363.99, 1,211,658.10 and 606,574.56 is: 836,738.52
Step by Step Solution
- Step 1: Write the proportion equation
878,363.99 : 1,211,658.10 = 606,574.56 : x - Step 2: Convert to fraction form
878,363.99/1,211,658.10 = 606,574.56/x - Step 3: Cross multiply
878,363.99x = 1,211,658.10 × 606,574.56 - Step 4: Simplify right side
878,363.99x = 734,960,977,361.50 - Step 5: Solve for x
x = 734,960,977,361.50/878,363.99 - Step 6: Final answer
x = 836,738.52
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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.