Finding the Fourth Proportional to 799,830.37, 1,103,779.05 and 477,568.63
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Solution
The fourth proportional to 799,830.37, 1,103,779.05 and 477,568.63 is: 659,052.55
Step by Step Solution
- Step 1: Write the proportion equation
799,830.37 : 1,103,779.05 = 477,568.63 : x - Step 2: Convert to fraction form
799,830.37/1,103,779.05 = 477,568.63/x - Step 3: Cross multiply
799,830.37x = 1,103,779.05 × 477,568.63 - Step 4: Simplify right side
799,830.37x = 527,130,248,731.20 - Step 5: Solve for x
x = 527,130,248,731.20/799,830.37 - Step 6: Final answer
x = 659,052.55
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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.