Finding the Fourth Proportional to 939,152.79, 1,296,031.05 and 531,245.97
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Solution
The fourth proportional to 939,152.79, 1,296,031.05 and 531,245.97 is: 733,119.55
Step by Step Solution
- Step 1: Write the proportion equation
939,152.79 : 1,296,031.05 = 531,245.97 : x - Step 2: Convert to fraction form
939,152.79/1,296,031.05 = 531,245.97/x - Step 3: Cross multiply
939,152.79x = 1,296,031.05 × 531,245.97 - Step 4: Simplify right side
939,152.79x = 688,511,272,307.37 - Step 5: Solve for x
x = 688,511,272,307.37/939,152.79 - Step 6: Final answer
x = 733,119.55
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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.