Finding the Fourth Proportional to 746,895.22, 1,119,768.58 and 386,679.91
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Solution
The fourth proportional to 746,895.22, 1,119,768.58 and 386,679.91 is: 579,722.57
Step by Step Solution
- Step 1: Write the proportion equation
746,895.22 : 1,119,768.58 = 386,679.91 : x - Step 2: Convert to fraction form
746,895.22/1,119,768.58 = 386,679.91/x - Step 3: Cross multiply
746,895.22x = 1,119,768.58 × 386,679.91 - Step 4: Simplify right side
746,895.22x = 432,992,013,735.23 - Step 5: Solve for x
x = 432,992,013,735.23/746,895.22 - Step 6: Final answer
x = 579,722.57
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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.