Finding the Fourth Proportional to 875,609.80, 1,313,454.06 and 268,353.64
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Solution
The fourth proportional to 875,609.80, 1,313,454.06 and 268,353.64 is: 402,542.52
Step by Step Solution
- Step 1: Write the proportion equation
875,609.80 : 1,313,454.06 = 268,353.64 : x - Step 2: Convert to fraction form
875,609.80/1,313,454.06 = 268,353.64/x - Step 3: Cross multiply
875,609.80x = 1,313,454.06 × 268,353.64 - Step 4: Simplify right side
875,609.80x = 352,470,177,973.78 - Step 5: Solve for x
x = 352,470,177,973.78/875,609.80 - Step 6: Final answer
x = 402,542.52
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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.