Finding the Fourth Proportional to 746,511.36, 1,119,537.36 and 213,889.68
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Solution
The fourth proportional to 746,511.36, 1,119,537.36 and 213,889.68 is: 320,768.71
Step by Step Solution
- Step 1: Write the proportion equation
746,511.36 : 1,119,537.36 = 213,889.68 : x - Step 2: Convert to fraction form
746,511.36/1,119,537.36 = 213,889.68/x - Step 3: Cross multiply
746,511.36x = 1,119,537.36 × 213,889.68 - Step 4: Simplify right side
746,511.36x = 239,457,487,678.45 - Step 5: Solve for x
x = 239,457,487,678.45/746,511.36 - Step 6: Final answer
x = 320,768.71
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1.5x scale
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.