Finding the Fourth Proportional to 455,138.10, 679,246.35 and 404,694.05
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Solution
The fourth proportional to 455,138.10, 679,246.35 and 404,694.05 is: 603,963.84
Step by Step Solution
- Step 1: Write the proportion equation
455,138.10 : 679,246.35 = 404,694.05 : x - Step 2: Convert to fraction form
455,138.10/679,246.35 = 404,694.05/x - Step 3: Cross multiply
455,138.10x = 679,246.35 × 404,694.05 - Step 4: Simplify right side
455,138.10x = 274,886,952,932.99 - Step 5: Solve for x
x = 274,886,952,932.99/455,138.10 - Step 6: Final answer
x = 603,963.84
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.