Finding the Fourth Proportional to 980,335.35, 1,470,504.24 and 306,420.12
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Solution
The fourth proportional to 980,335.35, 1,470,504.24 and 306,420.12 is: 459,630.56
Step by Step Solution
- Step 1: Write the proportion equation
980,335.35 : 1,470,504.24 = 306,420.12 : x - Step 2: Convert to fraction form
980,335.35/1,470,504.24 = 306,420.12/x - Step 3: Cross multiply
980,335.35x = 1,470,504.24 × 306,420.12 - Step 4: Simplify right side
980,335.35x = 450,592,085,681.31 - Step 5: Solve for x
x = 450,592,085,681.31/980,335.35 - Step 6: Final answer
x = 459,630.56
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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.