Finding the Fourth Proportional to 658,685.37, 908,882.50 and 383,104.23
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Solution
The fourth proportional to 658,685.37, 908,882.50 and 383,104.23 is: 528,623.75
Step by Step Solution
- Step 1: Write the proportion equation
658,685.37 : 908,882.50 = 383,104.23 : x - Step 2: Convert to fraction form
658,685.37/908,882.50 = 383,104.23/x - Step 3: Cross multiply
658,685.37x = 908,882.50 × 383,104.23 - Step 4: Simplify right side
658,685.37x = 348,196,730,710.21 - Step 5: Solve for x
x = 348,196,730,710.21/658,685.37 - Step 6: Final answer
x = 528,623.75
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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.