Finding the Fourth Proportional to 746,461.80, 1,119,355.74 and 213,860.92
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Solution
The fourth proportional to 746,461.80, 1,119,355.74 and 213,860.92 is: 320,694.84
Step by Step Solution
- Step 1: Write the proportion equation
746,461.80 : 1,119,355.74 = 213,860.92 : x - Step 2: Convert to fraction form
746,461.80/1,119,355.74 = 213,860.92/x - Step 3: Cross multiply
746,461.80x = 1,119,355.74 × 213,860.92 - Step 4: Simplify right side
746,461.80x = 239,386,448,363.68 - Step 5: Solve for x
x = 239,386,448,363.68/746,461.80 - Step 6: Final answer
x = 320,694.84
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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.