Finding the Fourth Proportional to 746,211.99, 1,029,776.01 and 423,939.77
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Solution
The fourth proportional to 746,211.99, 1,029,776.01 and 423,939.77 is: 585,038.84
Step by Step Solution
- Step 1: Write the proportion equation
746,211.99 : 1,029,776.01 = 423,939.77 : x - Step 2: Convert to fraction form
746,211.99/1,029,776.01 = 423,939.77/x - Step 3: Cross multiply
746,211.99x = 1,029,776.01 × 423,939.77 - Step 4: Simplify right side
746,211.99x = 436,562,999,682.04 - Step 5: Solve for x
x = 436,562,999,682.04/746,211.99 - Step 6: Final answer
x = 585,038.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.