Finding the Fourth Proportional to 649,679.34, 973,864.68 and 270,809.79
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Solution
The fourth proportional to 649,679.34, 973,864.68 and 270,809.79 is: 405,941.94
Step by Step Solution
- Step 1: Write the proportion equation
649,679.34 : 973,864.68 = 270,809.79 : x - Step 2: Convert to fraction form
649,679.34/973,864.68 = 270,809.79/x - Step 3: Cross multiply
649,679.34x = 973,864.68 × 270,809.79 - Step 4: Simplify right side
649,679.34x = 263,732,089,479.22 - Step 5: Solve for x
x = 263,732,089,479.22/649,679.34 - Step 6: Final answer
x = 405,941.94
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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.