Finding the Fourth Proportional to 894,689.49, 1,234,705.50 and 512,789.97
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Solution
The fourth proportional to 894,689.49, 1,234,705.50 and 512,789.97 is: 707,669.65
Step by Step Solution
- Step 1: Write the proportion equation
894,689.49 : 1,234,705.50 = 512,789.97 : x - Step 2: Convert to fraction form
894,689.49/1,234,705.50 = 512,789.97/x - Step 3: Cross multiply
894,689.49x = 1,234,705.50 × 512,789.97 - Step 4: Simplify right side
894,689.49x = 633,144,596,303.84 - Step 5: Solve for x
x = 633,144,596,303.84/894,689.49 - Step 6: Final answer
x = 707,669.65
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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.