Finding the Fourth Proportional to 555,518.96, 766,663.28 and 313,845.84
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Solution
The fourth proportional to 555,518.96, 766,663.28 and 313,845.84 is: 433,133.88
Step by Step Solution
- Step 1: Write the proportion equation
555,518.96 : 766,663.28 = 313,845.84 : x - Step 2: Convert to fraction form
555,518.96/766,663.28 = 313,845.84/x - Step 3: Cross multiply
555,518.96x = 766,663.28 × 313,845.84 - Step 4: Simplify right side
555,518.96x = 240,614,081,108.76 - Step 5: Solve for x
x = 240,614,081,108.76/555,518.96 - Step 6: Final answer
x = 433,133.88
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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.