Finding the Fourth Proportional to 610,524.14, 842,575.07 and 338,679.63
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Solution
The fourth proportional to 610,524.14, 842,575.07 and 338,679.63 is: 467,406.60
Step by Step Solution
- Step 1: Write the proportion equation
610,524.14 : 842,575.07 = 338,679.63 : x - Step 2: Convert to fraction form
610,524.14/842,575.07 = 338,679.63/x - Step 3: Cross multiply
610,524.14x = 842,575.07 × 338,679.63 - Step 4: Simplify right side
610,524.14x = 285,363,011,261.43 - Step 5: Solve for x
x = 285,363,011,261.43/610,524.14 - Step 6: Final answer
x = 467,406.60
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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.