Finding the Fourth Proportional to 906,702.37, 1,251,199.84 and 498,738.36
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Solution
The fourth proportional to 906,702.37, 1,251,199.84 and 498,738.36 is: 688,231.75
Step by Step Solution
- Step 1: Write the proportion equation
906,702.37 : 1,251,199.84 = 498,738.36 : x - Step 2: Convert to fraction form
906,702.37/1,251,199.84 = 498,738.36/x - Step 3: Cross multiply
906,702.37x = 1,251,199.84 × 498,738.36 - Step 4: Simplify right side
906,702.37x = 624,021,356,233.86 - Step 5: Solve for x
x = 624,021,356,233.86/906,702.37 - Step 6: Final answer
x = 688,231.75
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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.