Finding the Fourth Proportional to 679,319.92, 937,477.56 and 373,393.99
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Solution
The fourth proportional to 679,319.92, 937,477.56 and 373,393.99 is: 515,292.54
Step by Step Solution
- Step 1: Write the proportion equation
679,319.92 : 937,477.56 = 373,393.99 : x - Step 2: Convert to fraction form
679,319.92/937,477.56 = 373,393.99/x - Step 3: Cross multiply
679,319.92x = 937,477.56 × 373,393.99 - Step 4: Simplify right side
679,319.92x = 350,048,486,663.86 - Step 5: Solve for x
x = 350,048,486,663.86/679,319.92 - Step 6: Final answer
x = 515,292.54
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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.