Finding the Fourth Proportional to 563,539.76, 777,703.96 and 308,890.96
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Solution
The fourth proportional to 563,539.76, 777,703.96 and 308,890.96 is: 426,279.99
Step by Step Solution
- Step 1: Write the proportion equation
563,539.76 : 777,703.96 = 308,890.96 : x - Step 2: Convert to fraction form
563,539.76/777,703.96 = 308,890.96/x - Step 3: Cross multiply
563,539.76x = 777,703.96 × 308,890.96 - Step 4: Simplify right side
563,539.76x = 240,225,722,800.20 - Step 5: Solve for x
x = 240,225,722,800.20/563,539.76 - Step 6: Final answer
x = 426,279.99
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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.