Finding the Fourth Proportional to 879,489.47, 1,214,452.97 and 553,346.26
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Solution
The fourth proportional to 879,489.47, 1,214,452.97 and 553,346.26 is: 764,094.43
Step by Step Solution
- Step 1: Write the proportion equation
879,489.47 : 1,214,452.97 = 553,346.26 : x - Step 2: Convert to fraction form
879,489.47/1,214,452.97 = 553,346.26/x - Step 3: Cross multiply
879,489.47x = 1,214,452.97 × 553,346.26 - Step 4: Simplify right side
879,489.47x = 672,013,008,895.39 - Step 5: Solve for x
x = 672,013,008,895.39/879,489.47 - Step 6: Final answer
x = 764,094.43
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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.