Finding the Fourth Proportional to 759,525.60, 1,138,291.68 and 558,906.60
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Solution
The fourth proportional to 759,525.60, 1,138,291.68 and 558,906.60 is: 837,626.45
Step by Step Solution
- Step 1: Write the proportion equation
759,525.60 : 1,138,291.68 = 558,906.60 : x - Step 2: Convert to fraction form
759,525.60/1,138,291.68 = 558,906.60/x - Step 3: Cross multiply
759,525.60x = 1,138,291.68 × 558,906.60 - Step 4: Simplify right side
759,525.60x = 636,198,732,677.09 - Step 5: Solve for x
x = 636,198,732,677.09/759,525.60 - Step 6: Final answer
x = 837,626.45
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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.