Finding the Fourth Proportional to 925,830.36, 1,388,899.44 and 318,594.42
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Solution
The fourth proportional to 925,830.36, 1,388,899.44 and 318,594.42 is: 477,944.59
Step by Step Solution
- Step 1: Write the proportion equation
925,830.36 : 1,388,899.44 = 318,594.42 : x - Step 2: Convert to fraction form
925,830.36/1,388,899.44 = 318,594.42/x - Step 3: Cross multiply
925,830.36x = 1,388,899.44 × 318,594.42 - Step 4: Simplify right side
925,830.36x = 442,495,611,525.13 - Step 5: Solve for x
x = 442,495,611,525.13/925,830.36 - Step 6: Final answer
x = 477,944.59
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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.