Finding the Fourth Proportional to 785,614.05, 1,178,397.69 and 217,029.38
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Solution
The fourth proportional to 785,614.05, 1,178,397.69 and 217,029.38 is: 325,537.60
Step by Step Solution
- Step 1: Write the proportion equation
785,614.05 : 1,178,397.69 = 217,029.38 : x - Step 2: Convert to fraction form
785,614.05/1,178,397.69 = 217,029.38/x - Step 3: Cross multiply
785,614.05x = 1,178,397.69 × 217,029.38 - Step 4: Simplify right side
785,614.05x = 255,746,914,162.14 - Step 5: Solve for x
x = 255,746,914,162.14/785,614.05 - Step 6: Final answer
x = 325,537.60
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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.