Finding the Fourth Proportional to 777,350.90, 1,163,392.71 and 478,021.07
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Solution
The fourth proportional to 777,350.90, 1,163,392.71 and 478,021.07 is: 715,412.08
Step by Step Solution
- Step 1: Write the proportion equation
777,350.90 : 1,163,392.71 = 478,021.07 : x - Step 2: Convert to fraction form
777,350.90/1,163,392.71 = 478,021.07/x - Step 3: Cross multiply
777,350.90x = 1,163,392.71 × 478,021.07 - Step 4: Simplify right side
777,350.90x = 556,126,222,247.44 - Step 5: Solve for x
x = 556,126,222,247.44/777,350.90 - Step 6: Final answer
x = 715,412.08
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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.