Finding the Fourth Proportional to 438,783.44, 657,898.68 and 372,246.80
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Solution
The fourth proportional to 438,783.44, 657,898.68 and 372,246.80 is: 558,135.65
Step by Step Solution
- Step 1: Write the proportion equation
438,783.44 : 657,898.68 = 372,246.80 : x - Step 2: Convert to fraction form
438,783.44/657,898.68 = 372,246.80/x - Step 3: Cross multiply
438,783.44x = 657,898.68 × 372,246.80 - Step 4: Simplify right side
438,783.44x = 244,900,678,354.22 - Step 5: Solve for x
x = 244,900,678,354.22/438,783.44 - Step 6: Final answer
x = 558,135.65
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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.