Finding the Fourth Proportional to 849,864.96, 1,275,585.84 and 429,436.08
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Solution
The fourth proportional to 849,864.96, 1,275,585.84 and 429,436.08 is: 644,552.50
Step by Step Solution
- Step 1: Write the proportion equation
849,864.96 : 1,275,585.84 = 429,436.08 : x - Step 2: Convert to fraction form
849,864.96/1,275,585.84 = 429,436.08/x - Step 3: Cross multiply
849,864.96x = 1,275,585.84 × 429,436.08 - Step 4: Simplify right side
849,864.96x = 547,782,582,833.11 - Step 5: Solve for x
x = 547,782,582,833.11/849,864.96 - Step 6: Final answer
x = 644,552.50
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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.