Finding the Fourth Proportional to 866,762.19, 1,299,290.34 and 506,475.81
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Solution
The fourth proportional to 866,762.19, 1,299,290.34 and 506,475.81 is: 759,215.31
Step by Step Solution
- Step 1: Write the proportion equation
866,762.19 : 1,299,290.34 = 506,475.81 : x - Step 2: Convert to fraction form
866,762.19/1,299,290.34 = 506,475.81/x - Step 3: Cross multiply
866,762.19x = 1,299,290.34 × 506,475.81 - Step 4: Simplify right side
866,762.19x = 658,059,120,880.22 - Step 5: Solve for x
x = 658,059,120,880.22/866,762.19 - Step 6: Final answer
x = 759,215.31
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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.