Finding the Fourth Proportional to 547,750.58, 755,820.65 and 306,003.11
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Solution
The fourth proportional to 547,750.58, 755,820.65 and 306,003.11 is: 422,242.31
Step by Step Solution
- Step 1: Write the proportion equation
547,750.58 : 755,820.65 = 306,003.11 : x - Step 2: Convert to fraction form
547,750.58/755,820.65 = 306,003.11/x - Step 3: Cross multiply
547,750.58x = 755,820.65 × 306,003.11 - Step 4: Simplify right side
547,750.58x = 231,283,466,488.13 - Step 5: Solve for x
x = 231,283,466,488.13/547,750.58 - Step 6: Final answer
x = 422,242.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.