Finding the Fourth Proportional to 894,579.48, 1,234,553.67 and 512,680.05
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Solution
The fourth proportional to 894,579.48, 1,234,553.67 and 512,680.05 is: 707,517.95
Step by Step Solution
- Step 1: Write the proportion equation
894,579.48 : 1,234,553.67 = 512,680.05 : x - Step 2: Convert to fraction form
894,579.48/1,234,553.67 = 512,680.05/x - Step 3: Cross multiply
894,579.48x = 1,234,553.67 × 512,680.05 - Step 4: Simplify right side
894,579.48x = 632,931,037,263.28 - Step 5: Solve for x
x = 632,931,037,263.28/894,579.48 - Step 6: Final answer
x = 707,517.95
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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.