Finding the Fourth Proportional to 761,980.96, 1,142,440.08 and 335,311.84
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Solution
The fourth proportional to 761,980.96, 1,142,440.08 and 335,311.84 is: 502,733.93
Step by Step Solution
- Step 1: Write the proportion equation
761,980.96 : 1,142,440.08 = 335,311.84 : x - Step 2: Convert to fraction form
761,980.96/1,142,440.08 = 335,311.84/x - Step 3: Cross multiply
761,980.96x = 1,142,440.08 × 335,311.84 - Step 4: Simplify right side
761,980.96x = 383,073,685,314.55 - Step 5: Solve for x
x = 383,073,685,314.55/761,980.96 - Step 6: Final answer
x = 502,733.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.