Finding the Fourth Proportional to 637,992.41, 957,119.83 and 438,406.79
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Solution
The fourth proportional to 637,992.41, 957,119.83 and 438,406.79 is: 657,700.35
Step by Step Solution
- Step 1: Write the proportion equation
637,992.41 : 957,119.83 = 438,406.79 : x - Step 2: Convert to fraction form
637,992.41/957,119.83 = 438,406.79/x - Step 3: Cross multiply
637,992.41x = 957,119.83 × 438,406.79 - Step 4: Simplify right side
637,992.41x = 419,607,826,434.03 - Step 5: Solve for x
x = 419,607,826,434.03/637,992.41 - Step 6: Final answer
x = 657,700.35
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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.