Finding the Fourth Proportional to 559,412.64, 771,987.60 and 304,763.04
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Solution
The fourth proportional to 559,412.64, 771,987.60 and 304,763.04 is: 420,571.99
Step by Step Solution
- Step 1: Write the proportion equation
559,412.64 : 771,987.60 = 304,763.04 : x - Step 2: Convert to fraction form
559,412.64/771,987.60 = 304,763.04/x - Step 3: Cross multiply
559,412.64x = 771,987.60 × 304,763.04 - Step 4: Simplify right side
559,412.64x = 235,273,287,818.30 - Step 5: Solve for x
x = 235,273,287,818.30/559,412.64 - Step 6: Final answer
x = 420,571.99
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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.