Finding the Fourth Proportional to 637,995.41, 957,124.34 and 438,409.79
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Solution
The fourth proportional to 637,995.41, 957,124.34 and 438,409.79 is: 657,704.85
Step by Step Solution
- Step 1: Write the proportion equation
637,995.41 : 957,124.34 = 438,409.79 : x - Step 2: Convert to fraction form
637,995.41/957,124.34 = 438,409.79/x - Step 3: Cross multiply
637,995.41x = 957,124.34 × 438,409.79 - Step 4: Simplify right side
637,995.41x = 419,612,673,925.62 - Step 5: Solve for x
x = 419,612,673,925.62/637,995.41 - Step 6: Final answer
x = 657,704.85
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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.