Finding the Fourth Proportional to 965,729.08, 1,332,769.80 and 557,848.09
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Solution
The fourth proportional to 965,729.08, 1,332,769.80 and 557,848.09 is: 769,867.14
Step by Step Solution
- Step 1: Write the proportion equation
965,729.08 : 1,332,769.80 = 557,848.09 : x - Step 2: Convert to fraction form
965,729.08/1,332,769.80 = 557,848.09/x - Step 3: Cross multiply
965,729.08x = 1,332,769.80 × 557,848.09 - Step 4: Simplify right side
965,729.08x = 743,483,087,339.68 - Step 5: Solve for x
x = 743,483,087,339.68/965,729.08 - Step 6: Final answer
x = 769,867.14
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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.