Finding the Fourth Proportional to 894,332.75, 1,234,178.28 and 512,361.05
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Solution
The fourth proportional to 894,332.75, 1,234,178.28 and 512,361.05 is: 707,057.72
Step by Step Solution
- Step 1: Write the proportion equation
894,332.75 : 1,234,178.28 = 512,361.05 : x - Step 2: Convert to fraction form
894,332.75/1,234,178.28 = 512,361.05/x - Step 3: Cross multiply
894,332.75x = 1,234,178.28 × 512,361.05 - Step 4: Simplify right side
894,332.75x = 632,344,873,257.10 - Step 5: Solve for x
x = 632,344,873,257.10/894,332.75 - Step 6: Final answer
x = 707,057.72
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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.