Finding the Fourth Proportional to 919,514.58, 1,378,103.85 and 413,535.12
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Solution
The fourth proportional to 919,514.58, 1,378,103.85 and 413,535.12 is: 619,777.38
Step by Step Solution
- Step 1: Write the proportion equation
919,514.58 : 1,378,103.85 = 413,535.12 : x - Step 2: Convert to fraction form
919,514.58/1,378,103.85 = 413,535.12/x - Step 3: Cross multiply
919,514.58x = 1,378,103.85 × 413,535.12 - Step 4: Simplify right side
919,514.58x = 569,894,340,982.21 - Step 5: Solve for x
x = 569,894,340,982.21/919,514.58 - Step 6: Final answer
x = 619,777.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.