Finding the Fourth Proportional to 839,655.94, 1,259,489.58 and 306,957.82
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Solution
The fourth proportional to 839,655.94, 1,259,489.58 and 306,957.82 is: 460,438.80
Step by Step Solution
- Step 1: Write the proportion equation
839,655.94 : 1,259,489.58 = 306,957.82 : x - Step 2: Convert to fraction form
839,655.94/1,259,489.58 = 306,957.82/x - Step 3: Cross multiply
839,655.94x = 1,259,489.58 × 306,957.82 - Step 4: Simplify right side
839,655.94x = 386,610,175,789.52 - Step 5: Solve for x
x = 386,610,175,789.52/839,655.94 - Step 6: Final answer
x = 460,438.80
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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.