Finding the Fourth Proportional to 622,199.24, 933,855.18 and 318,800.38
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Solution
The fourth proportional to 622,199.24, 933,855.18 and 318,800.38 is: 478,485.62
Step by Step Solution
- Step 1: Write the proportion equation
622,199.24 : 933,855.18 = 318,800.38 : x - Step 2: Convert to fraction form
622,199.24/933,855.18 = 318,800.38/x - Step 3: Cross multiply
622,199.24x = 933,855.18 × 318,800.38 - Step 4: Simplify right side
622,199.24x = 297,713,386,248.97 - Step 5: Solve for x
x = 297,713,386,248.97/622,199.24 - Step 6: Final answer
x = 478,485.62
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1.5x scale
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.