Finding the Fourth Proportional to 572,717.70, 859,076.55 and 572,717.70
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Solution
The fourth proportional to 572,717.70, 859,076.55 and 572,717.70 is: 859,076.55
Step by Step Solution
- Step 1: Write the proportion equation
572,717.70 : 859,076.55 = 572,717.70 : x - Step 2: Convert to fraction form
572,717.70/859,076.55 = 572,717.70/x - Step 3: Cross multiply
572,717.70x = 859,076.55 × 572,717.70 - Step 4: Simplify right side
572,717.70x = 492,008,345,839.94 - Step 5: Solve for x
x = 492,008,345,839.94/572,717.70 - Step 6: Final answer
x = 859,076.55
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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.