Finding the Fourth Proportional to 720,793.65, 994,769.19 and 414,881.49
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Solution
The fourth proportional to 720,793.65, 994,769.19 and 414,881.49 is: 572,579.02
Step by Step Solution
- Step 1: Write the proportion equation
720,793.65 : 994,769.19 = 414,881.49 : x - Step 2: Convert to fraction form
720,793.65/994,769.19 = 414,881.49/x - Step 3: Cross multiply
720,793.65x = 994,769.19 × 414,881.49 - Step 4: Simplify right side
720,793.65x = 412,711,323,753.29 - Step 5: Solve for x
x = 412,711,323,753.29/720,793.65 - Step 6: Final answer
x = 572,579.02
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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.