Finding the Fourth Proportional to 981,589.14, 1,354,632.12 and 551,867.94
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Solution
The fourth proportional to 981,589.14, 1,354,632.12 and 551,867.94 is: 761,599.74
Step by Step Solution
- Step 1: Write the proportion equation
981,589.14 : 1,354,632.12 = 551,867.94 : x - Step 2: Convert to fraction form
981,589.14/1,354,632.12 = 551,867.94/x - Step 3: Cross multiply
981,589.14x = 1,354,632.12 × 551,867.94 - Step 4: Simplify right side
981,589.14x = 747,578,037,522.23 - Step 5: Solve for x
x = 747,578,037,522.23/981,589.14 - Step 6: Final answer
x = 761,599.74
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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.