Finding the Fourth Proportional to 683,382.55, 942,987.02 and 377,440.75
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Solution
The fourth proportional to 683,382.55, 942,987.02 and 377,440.75 is: 520,823.55
Step by Step Solution
- Step 1: Write the proportion equation
683,382.55 : 942,987.02 = 377,440.75 : x - Step 2: Convert to fraction form
683,382.55/942,987.02 = 377,440.75/x - Step 3: Cross multiply
683,382.55x = 942,987.02 × 377,440.75 - Step 4: Simplify right side
683,382.55x = 355,921,723,354.13 - Step 5: Solve for x
x = 355,921,723,354.13/683,382.55 - Step 6: Final answer
x = 520,823.55
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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.