Finding the Fourth Proportional to 906,754.99, 1,251,321.86 and 498,848.05
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Solution
The fourth proportional to 906,754.99, 1,251,321.86 and 498,848.05 is: 688,410.30
Step by Step Solution
- Step 1: Write the proportion equation
906,754.99 : 1,251,321.86 = 498,848.05 : x - Step 2: Convert to fraction form
906,754.99/1,251,321.86 = 498,848.05/x - Step 3: Cross multiply
906,754.99x = 1,251,321.86 × 498,848.05 - Step 4: Simplify right side
906,754.99x = 624,219,467,289.13 - Step 5: Solve for x
x = 624,219,467,289.13/906,754.99 - Step 6: Final answer
x = 688,410.30
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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.