Finding the Fourth Proportional to 575,302.64, 793,944.88 and 320,655.68
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Solution
The fourth proportional to 575,302.64, 793,944.88 and 320,655.68 is: 442,520.02
Step by Step Solution
- Step 1: Write the proportion equation
575,302.64 : 793,944.88 = 320,655.68 : x - Step 2: Convert to fraction form
575,302.64/793,944.88 = 320,655.68/x - Step 3: Cross multiply
575,302.64x = 793,944.88 × 320,655.68 - Step 4: Simplify right side
575,302.64x = 254,582,935,378.92 - Step 5: Solve for x
x = 254,582,935,378.92/575,302.64 - Step 6: Final answer
x = 442,520.02
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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.