Finding the Fourth Proportional to 697,528.44, 1,046,027.08 and 413,299.20
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Solution
The fourth proportional to 697,528.44, 1,046,027.08 and 413,299.20 is: 619,791.45
Step by Step Solution
- Step 1: Write the proportion equation
697,528.44 : 1,046,027.08 = 413,299.20 : x - Step 2: Convert to fraction form
697,528.44/1,046,027.08 = 413,299.20/x - Step 3: Cross multiply
697,528.44x = 1,046,027.08 × 413,299.20 - Step 4: Simplify right side
697,528.44x = 432,322,159,781.56 - Step 5: Solve for x
x = 432,322,159,781.56/697,528.44 - Step 6: Final answer
x = 619,791.45
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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.