Finding the Fourth Proportional to 705,433.44, 973,777.28 and 490,698.08
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Solution
The fourth proportional to 705,433.44, 973,777.28 and 490,698.08 is: 677,357.51
Step by Step Solution
- Step 1: Write the proportion equation
705,433.44 : 973,777.28 = 490,698.08 : x - Step 2: Convert to fraction form
705,433.44/973,777.28 = 490,698.08/x - Step 3: Cross multiply
705,433.44x = 973,777.28 × 490,698.08 - Step 4: Simplify right side
705,433.44x = 477,830,641,643.62 - Step 5: Solve for x
x = 477,830,641,643.62/705,433.44 - Step 6: Final answer
x = 677,357.51
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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.