Finding the Fourth Proportional to 879,086.62, 1,319,171.37 and 346,517.02
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Solution
The fourth proportional to 879,086.62, 1,319,171.37 and 346,517.02 is: 519,988.95
Step by Step Solution
- Step 1: Write the proportion equation
879,086.62 : 1,319,171.37 = 346,517.02 : x - Step 2: Convert to fraction form
879,086.62/1,319,171.37 = 346,517.02/x - Step 3: Cross multiply
879,086.62x = 1,319,171.37 × 346,517.02 - Step 4: Simplify right side
879,086.62x = 457,115,332,001.72 - Step 5: Solve for x
x = 457,115,332,001.72/879,086.62 - Step 6: Final answer
x = 519,988.95
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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.