Finding the Fourth Proportional to 839,651.94, 1,259,483.58 and 306,953.82
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Solution
The fourth proportional to 839,651.94, 1,259,483.58 and 306,953.82 is: 460,432.80
Step by Step Solution
- Step 1: Write the proportion equation
839,651.94 : 1,259,483.58 = 306,953.82 : x - Step 2: Convert to fraction form
839,651.94/1,259,483.58 = 306,953.82/x - Step 3: Cross multiply
839,651.94x = 1,259,483.58 × 306,953.82 - Step 4: Simplify right side
839,651.94x = 386,603,296,108.28 - Step 5: Solve for x
x = 386,603,296,108.28/839,651.94 - Step 6: Final answer
x = 460,432.80
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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.