Finding the Fourth Proportional to 592,670.88, 817,879.56 and 320,732.88
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Solution
The fourth proportional to 592,670.88, 817,879.56 and 320,732.88 is: 442,607.99
Step by Step Solution
- Step 1: Write the proportion equation
592,670.88 : 817,879.56 = 320,732.88 : x - Step 2: Convert to fraction form
592,670.88/817,879.56 = 320,732.88/x - Step 3: Cross multiply
592,670.88x = 817,879.56 × 320,732.88 - Step 4: Simplify right side
592,670.88x = 262,320,866,771.93 - Step 5: Solve for x
x = 262,320,866,771.93/592,670.88 - Step 6: Final answer
x = 442,607.99
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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.