Finding the Fourth Proportional to 825,373.72, 1,138,532.07 and 518,964.49
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Solution
The fourth proportional to 825,373.72, 1,138,532.07 and 518,964.49 is: 715,866.89
Step by Step Solution
- Step 1: Write the proportion equation
825,373.72 : 1,138,532.07 = 518,964.49 : x - Step 2: Convert to fraction form
825,373.72/1,138,532.07 = 518,964.49/x - Step 3: Cross multiply
825,373.72x = 1,138,532.07 × 518,964.49 - Step 4: Simplify right side
825,373.72x = 590,857,715,056.19 - Step 5: Solve for x
x = 590,857,715,056.19/825,373.72 - Step 6: Final answer
x = 715,866.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.