Finding the Fourth Proportional to 840,873.20, 1,261,703.46 and 367,497.05
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Solution
The fourth proportional to 840,873.20, 1,261,703.46 and 367,497.05 is: 551,417.62
Step by Step Solution
- Step 1: Write the proportion equation
840,873.20 : 1,261,703.46 = 367,497.05 : x - Step 2: Convert to fraction form
840,873.20/1,261,703.46 = 367,497.05/x - Step 3: Cross multiply
840,873.20x = 1,261,703.46 × 367,497.05 - Step 4: Simplify right side
840,873.20x = 463,672,293,216.28 - Step 5: Solve for x
x = 463,672,293,216.28/840,873.20 - Step 6: Final answer
x = 551,417.62
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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.