Finding the Fourth Proportional to 839,166.99, 1,158,050.57 and 457,193.78
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Solution
The fourth proportional to 839,166.99, 1,158,050.57 and 457,193.78 is: 630,927.48
Step by Step Solution
- Step 1: Write the proportion equation
839,166.99 : 1,158,050.57 = 457,193.78 : x - Step 2: Convert to fraction form
839,166.99/1,158,050.57 = 457,193.78/x - Step 3: Cross multiply
839,166.99x = 1,158,050.57 × 457,193.78 - Step 4: Simplify right side
839,166.99x = 529,453,511,739.20 - Step 5: Solve for x
x = 529,453,511,739.20/839,166.99 - Step 6: Final answer
x = 630,927.48
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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.