Finding the Fourth Proportional to 1,480,745.24, 2,221,253.41 and 415,780.12
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Solution
The fourth proportional to 1,480,745.24, 2,221,253.41 and 415,780.12 is: 623,708.24
Step by Step Solution
- Step 1: Write the proportion equation
1,480,745.24 : 2,221,253.41 = 415,780.12 : x - Step 2: Convert to fraction form
1,480,745.24/2,221,253.41 = 415,780.12/x - Step 3: Cross multiply
1,480,745.24x = 2,221,253.41 × 415,780.12 - Step 4: Simplify right side
1,480,745.24x = 923,553,007,281.31 - Step 5: Solve for x
x = 923,553,007,281.31/1,480,745.24 - Step 6: Final answer
x = 623,708.24
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1.5x scale
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.