Finding the Fourth Proportional to 909,027.20, 1,363,540.80 and 403,392.80
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Solution
The fourth proportional to 909,027.20, 1,363,540.80 and 403,392.80 is: 605,089.20
Step by Step Solution
- Step 1: Write the proportion equation
909,027.20 : 1,363,540.80 = 403,392.80 : x - Step 2: Convert to fraction form
909,027.20/1,363,540.80 = 403,392.80/x - Step 3: Cross multiply
909,027.20x = 1,363,540.80 × 403,392.80 - Step 4: Simplify right side
909,027.20x = 550,042,541,226.24 - Step 5: Solve for x
x = 550,042,541,226.24/909,027.20 - Step 6: Final answer
x = 605,089.20
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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.