Finding the Fourth Proportional to 560,215.76, 773,115.72 and 305,577.68
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Solution
The fourth proportional to 560,215.76, 773,115.72 and 305,577.68 is: 421,707.00
Step by Step Solution
- Step 1: Write the proportion equation
560,215.76 : 773,115.72 = 305,577.68 : x - Step 2: Convert to fraction form
560,215.76/773,115.72 = 305,577.68/x - Step 3: Cross multiply
560,215.76x = 773,115.72 × 305,577.68 - Step 4: Simplify right side
560,215.76x = 236,246,908,089.13 - Step 5: Solve for x
x = 236,246,908,089.13/560,215.76 - Step 6: Final answer
x = 421,707.00
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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.