Finding the Fourth Proportional to 918,912.48, 1,267,859.52 and 536,722.08
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Solution
The fourth proportional to 918,912.48, 1,267,859.52 and 536,722.08 is: 740,536.46
Step by Step Solution
- Step 1: Write the proportion equation
918,912.48 : 1,267,859.52 = 536,722.08 : x - Step 2: Convert to fraction form
918,912.48/1,267,859.52 = 536,722.08/x - Step 3: Cross multiply
918,912.48x = 1,267,859.52 × 536,722.08 - Step 4: Simplify right side
918,912.48x = 680,488,198,722.20 - Step 5: Solve for x
x = 680,488,198,722.20/918,912.48 - Step 6: Final answer
x = 740,536.46
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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.