Finding the Fourth Proportional to 749,124.63, 1,033,791.99 and 409,592.88
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Solution
The fourth proportional to 749,124.63, 1,033,791.99 and 409,592.88 is: 565,238.17
Step by Step Solution
- Step 1: Write the proportion equation
749,124.63 : 1,033,791.99 = 409,592.88 : x - Step 2: Convert to fraction form
749,124.63/1,033,791.99 = 409,592.88/x - Step 3: Cross multiply
749,124.63x = 1,033,791.99 × 409,592.88 - Step 4: Simplify right side
749,124.63x = 423,433,838,505.03 - Step 5: Solve for x
x = 423,433,838,505.03/749,124.63 - Step 6: Final answer
x = 565,238.17
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1.5x scale
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.