Finding the Fourth Proportional to 705,425.41, 973,766.24 and 490,690.09
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Solution
The fourth proportional to 705,425.41, 973,766.24 and 490,690.09 is: 677,346.52
Step by Step Solution
- Step 1: Write the proportion equation
705,425.41 : 973,766.24 = 490,690.09 : x - Step 2: Convert to fraction form
705,425.41/973,766.24 = 490,690.09/x - Step 3: Cross multiply
705,425.41x = 973,766.24 × 490,690.09 - Step 4: Simplify right side
705,425.41x = 477,817,443,944.56 - Step 5: Solve for x
x = 477,817,443,944.56/705,425.41 - Step 6: Final answer
x = 677,346.52
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1.5x scale
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.