Finding the Fourth Proportional to 725,902.20, 1,086,779.70 and 651,252.60
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Solution
The fourth proportional to 725,902.20, 1,086,779.70 and 651,252.60 is: 975,018.54
Step by Step Solution
- Step 1: Write the proportion equation
725,902.20 : 1,086,779.70 = 651,252.60 : x - Step 2: Convert to fraction form
725,902.20/1,086,779.70 = 651,252.60/x - Step 3: Cross multiply
725,902.20x = 1,086,779.70 × 651,252.60 - Step 4: Simplify right side
725,902.20x = 707,768,105,252.22 - Step 5: Solve for x
x = 707,768,105,252.22/725,902.20 - Step 6: Final answer
x = 975,018.54
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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.