Finding the Fourth Proportional to 438,785.44, 657,901.68 and 372,248.80
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Solution
The fourth proportional to 438,785.44, 657,901.68 and 372,248.80 is: 558,138.64
Step by Step Solution
- Step 1: Write the proportion equation
438,785.44 : 657,901.68 = 372,248.80 : x - Step 2: Convert to fraction form
438,785.44/657,901.68 = 372,248.80/x - Step 3: Cross multiply
438,785.44x = 657,901.68 × 372,248.80 - Step 4: Simplify right side
438,785.44x = 244,903,110,897.98 - Step 5: Solve for x
x = 244,903,110,897.98/438,785.44 - Step 6: Final answer
x = 558,138.64
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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.