Finding the Fourth Proportional to 906,616.37, 1,251,104.05 and 498,717.99
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Solution
The fourth proportional to 906,616.37, 1,251,104.05 and 498,717.99 is: 688,216.23
Step by Step Solution
- Step 1: Write the proportion equation
906,616.37 : 1,251,104.05 = 498,717.99 : x - Step 2: Convert to fraction form
906,616.37/1,251,104.05 = 498,717.99/x - Step 3: Cross multiply
906,616.37x = 1,251,104.05 × 498,717.99 - Step 4: Simplify right side
906,616.37x = 623,948,095,604.17 - Step 5: Solve for x
x = 623,948,095,604.17/906,616.37 - Step 6: Final answer
x = 688,216.23
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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.