Finding the Fourth Proportional to 951,656.40, 1,313,164.80 and 543,784.68
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Solution
The fourth proportional to 951,656.40, 1,313,164.80 and 543,784.68 is: 750,353.70
Step by Step Solution
- Step 1: Write the proportion equation
951,656.40 : 1,313,164.80 = 543,784.68 : x - Step 2: Convert to fraction form
951,656.40/1,313,164.80 = 543,784.68/x - Step 3: Cross multiply
951,656.40x = 1,313,164.80 × 543,784.68 - Step 4: Simplify right side
951,656.40x = 714,078,900,555.26 - Step 5: Solve for x
x = 714,078,900,555.26/951,656.40 - Step 6: Final answer
x = 750,353.70
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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.