Finding the Fourth Proportional to 438,790.44, 657,909.18 and 372,253.80
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Solution
The fourth proportional to 438,790.44, 657,909.18 and 372,253.80 is: 558,146.14
Step by Step Solution
- Step 1: Write the proportion equation
438,790.44 : 657,909.18 = 372,253.80 : x - Step 2: Convert to fraction form
438,790.44/657,909.18 = 372,253.80/x - Step 3: Cross multiply
438,790.44x = 657,909.18 × 372,253.80 - Step 4: Simplify right side
438,790.44x = 244,909,192,309.88 - Step 5: Solve for x
x = 244,909,192,309.88/438,790.44 - Step 6: Final answer
x = 558,146.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.