Finding the Fourth Proportional to 830,924.12, 1,246,553.86 and 262,394.04
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Solution
The fourth proportional to 830,924.12, 1,246,553.86 and 262,394.04 is: 393,644.01
Step by Step Solution
- Step 1: Write the proportion equation
830,924.12 : 1,246,553.86 = 262,394.04 : x - Step 2: Convert to fraction form
830,924.12/1,246,553.86 = 262,394.04/x - Step 3: Cross multiply
830,924.12x = 1,246,553.86 × 262,394.04 - Step 4: Simplify right side
830,924.12x = 327,088,303,402.99 - Step 5: Solve for x
x = 327,088,303,402.99/830,924.12 - Step 6: Final answer
x = 393,644.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.