Finding the Fourth Proportional to 746,022.08, 1,119,815.85 and 661,176.05
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Solution
The fourth proportional to 746,022.08, 1,119,815.85 and 661,176.05 is: 992,457.78
Step by Step Solution
- Step 1: Write the proportion equation
746,022.08 : 1,119,815.85 = 661,176.05 : x - Step 2: Convert to fraction form
746,022.08/1,119,815.85 = 661,176.05/x - Step 3: Cross multiply
746,022.08x = 1,119,815.85 × 661,176.05 - Step 4: Simplify right side
746,022.08x = 740,395,423,229.93 - Step 5: Solve for x
x = 740,395,423,229.93/746,022.08 - Step 6: Final answer
x = 992,457.78
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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.