Finding the Fourth Proportional to 572,560.70, 858,106.65 and 319,840.70
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Solution
The fourth proportional to 572,560.70, 858,106.65 and 319,840.70 is: 479,350.80
Step by Step Solution
- Step 1: Write the proportion equation
572,560.70 : 858,106.65 = 319,840.70 : x - Step 2: Convert to fraction form
572,560.70/858,106.65 = 319,840.70/x - Step 3: Cross multiply
572,560.70x = 858,106.65 × 319,840.70 - Step 4: Simplify right side
572,560.70x = 274,457,431,610.66 - Step 5: Solve for x
x = 274,457,431,610.66/572,560.70 - Step 6: Final answer
x = 479,350.80
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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.