Finding the Fourth Proportional to 672,729.93, 928,363.55 and 370,923.93
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Solution
The fourth proportional to 672,729.93, 928,363.55 and 370,923.93 is: 511,872.95
Step by Step Solution
- Step 1: Write the proportion equation
672,729.93 : 928,363.55 = 370,923.93 : x - Step 2: Convert to fraction form
672,729.93/928,363.55 = 370,923.93/x - Step 3: Cross multiply
672,729.93x = 928,363.55 × 370,923.93 - Step 4: Simplify right side
672,729.93x = 344,352,254,580.13 - Step 5: Solve for x
x = 344,352,254,580.13/672,729.93 - Step 6: Final answer
x = 511,872.95
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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.