Finding the Fourth Proportional to 728,771.08, 1,005,321.84 and 592,956.76
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Solution
The fourth proportional to 728,771.08, 1,005,321.84 and 592,956.76 is: 817,969.31
Step by Step Solution
- Step 1: Write the proportion equation
728,771.08 : 1,005,321.84 = 592,956.76 : x - Step 2: Convert to fraction form
728,771.08/1,005,321.84 = 592,956.76/x - Step 3: Cross multiply
728,771.08x = 1,005,321.84 × 592,956.76 - Step 4: Simplify right side
728,771.08x = 596,112,381,003.64 - Step 5: Solve for x
x = 596,112,381,003.64/728,771.08 - Step 6: Final answer
x = 817,969.31
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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.