Finding the Fourth Proportional to 901,603.57, 1,244,228.23 and 493,698.91
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Solution
The fourth proportional to 901,603.57, 1,244,228.23 and 493,698.91 is: 681,312.88
Step by Step Solution
- Step 1: Write the proportion equation
901,603.57 : 1,244,228.23 = 493,698.91 : x - Step 2: Convert to fraction form
901,603.57/1,244,228.23 = 493,698.91/x - Step 3: Cross multiply
901,603.57x = 1,244,228.23 × 493,698.91 - Step 4: Simplify right side
901,603.57x = 614,274,120,942.23 - Step 5: Solve for x
x = 614,274,120,942.23/901,603.57 - Step 6: Final answer
x = 681,312.88
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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.