Finding the Fourth Proportional to 509,506.92, 763,209.66 and 298,504.68
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Solution
The fourth proportional to 509,506.92, 763,209.66 and 298,504.68 is: 447,141.43
Step by Step Solution
- Step 1: Write the proportion equation
509,506.92 : 763,209.66 = 298,504.68 : x - Step 2: Convert to fraction form
509,506.92/763,209.66 = 298,504.68/x - Step 3: Cross multiply
509,506.92x = 763,209.66 × 298,504.68 - Step 4: Simplify right side
509,506.92x = 227,821,655,331.21 - Step 5: Solve for x
x = 227,821,655,331.21/509,506.92 - Step 6: Final answer
x = 447,141.43
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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.