Finding the Fourth Proportional to 719,779.64, 1,080,324.66 and 383,102.96
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Solution
The fourth proportional to 719,779.64, 1,080,324.66 and 383,102.96 is: 575,003.17
Step by Step Solution
- Step 1: Write the proportion equation
719,779.64 : 1,080,324.66 = 383,102.96 : x - Step 2: Convert to fraction form
719,779.64/1,080,324.66 = 383,102.96/x - Step 3: Cross multiply
719,779.64x = 1,080,324.66 × 383,102.96 - Step 4: Simplify right side
719,779.64x = 413,875,575,006.99 - Step 5: Solve for x
x = 413,875,575,006.99/719,779.64 - Step 6: Final answer
x = 575,003.17
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1.5x scale
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.