Finding the Fourth Proportional to 592,899.20, 818,201.15 and 320,967.09
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Solution
The fourth proportional to 592,899.20, 818,201.15 and 320,967.09 is: 442,934.72
Step by Step Solution
- Step 1: Write the proportion equation
592,899.20 : 818,201.15 = 320,967.09 : x - Step 2: Convert to fraction form
592,899.20/818,201.15 = 320,967.09/x - Step 3: Cross multiply
592,899.20x = 818,201.15 × 320,967.09 - Step 4: Simplify right side
592,899.20x = 262,615,642,952.57 - Step 5: Solve for x
x = 262,615,642,952.57/592,899.20 - Step 6: Final answer
x = 442,934.72
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1.5x scale
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.