Finding the Fourth Proportional to 998,280.70, 1,497,504.10 and 324,347.08
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Solution
The fourth proportional to 998,280.70, 1,497,504.10 and 324,347.08 is: 486,547.60
Step by Step Solution
- Step 1: Write the proportion equation
998,280.70 : 1,497,504.10 = 324,347.08 : x - Step 2: Convert to fraction form
998,280.70/1,497,504.10 = 324,347.08/x - Step 3: Cross multiply
998,280.70x = 1,497,504.10 × 324,347.08 - Step 4: Simplify right side
998,280.70x = 485,711,082,123.03 - Step 5: Solve for x
x = 485,711,082,123.03/998,280.70 - Step 6: Final answer
x = 486,547.60
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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.