Finding the Fourth Proportional to 658,992.42, 909,399.69 and 372,502.44
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Solution
The fourth proportional to 658,992.42, 909,399.69 and 372,502.44 is: 514,047.80
Step by Step Solution
- Step 1: Write the proportion equation
658,992.42 : 909,399.69 = 372,502.44 : x - Step 2: Convert to fraction form
658,992.42/909,399.69 = 372,502.44/x - Step 3: Cross multiply
658,992.42x = 909,399.69 × 372,502.44 - Step 4: Simplify right side
658,992.42x = 338,753,603,460.24 - Step 5: Solve for x
x = 338,753,603,460.24/658,992.42 - Step 6: Final answer
x = 514,047.80
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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.