Finding the Fourth Proportional to 781,924.35, 1,172,983.12 and 276,381.08
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Solution
The fourth proportional to 781,924.35, 1,172,983.12 and 276,381.08 is: 414,605.76
Step by Step Solution
- Step 1: Write the proportion equation
781,924.35 : 1,172,983.12 = 276,381.08 : x - Step 2: Convert to fraction form
781,924.35/1,172,983.12 = 276,381.08/x - Step 3: Cross multiply
781,924.35x = 1,172,983.12 × 276,381.08 - Step 4: Simplify right side
781,924.35x = 324,190,340,924.83 - Step 5: Solve for x
x = 324,190,340,924.83/781,924.35 - Step 6: Final answer
x = 414,605.76
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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.