Finding the Fourth Proportional to 785,896.78, 1,179,302.62 and 330,455.08
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Solution
The fourth proportional to 785,896.78, 1,179,302.62 and 330,455.08 is: 495,874.97
Step by Step Solution
- Step 1: Write the proportion equation
785,896.78 : 1,179,302.62 = 330,455.08 : x - Step 2: Convert to fraction form
785,896.78/1,179,302.62 = 330,455.08/x - Step 3: Cross multiply
785,896.78x = 1,179,302.62 × 330,455.08 - Step 4: Simplify right side
785,896.78x = 389,706,541,636.31 - Step 5: Solve for x
x = 389,706,541,636.31/785,896.78 - Step 6: Final answer
x = 495,874.97
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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.