Finding the Fourth Proportional to 875,811.49, 1,313,938.92 and 268,630.70
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Solution
The fourth proportional to 875,811.49, 1,313,938.92 and 268,630.70 is: 403,014.04
Step by Step Solution
- Step 1: Write the proportion equation
875,811.49 : 1,313,938.92 = 268,630.70 : x - Step 2: Convert to fraction form
875,811.49/1,313,938.92 = 268,630.70/x - Step 3: Cross multiply
875,811.49x = 1,313,938.92 × 268,630.70 - Step 4: Simplify right side
875,811.49x = 352,964,325,267.15 - Step 5: Solve for x
x = 352,964,325,267.15/875,811.49 - Step 6: Final answer
x = 403,014.04
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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.