Finding the Fourth Proportional to 691,847.70, 1,037,771.55 and 551,879.70
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Solution
The fourth proportional to 691,847.70, 1,037,771.55 and 551,879.70 is: 827,819.55
Step by Step Solution
- Step 1: Write the proportion equation
691,847.70 : 1,037,771.55 = 551,879.70 : x - Step 2: Convert to fraction form
691,847.70/1,037,771.55 = 551,879.70/x - Step 3: Cross multiply
691,847.70x = 1,037,771.55 × 551,879.70 - Step 4: Simplify right side
691,847.70x = 572,725,051,682.54 - Step 5: Solve for x
x = 572,725,051,682.54/691,847.70 - Step 6: Final answer
x = 827,819.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.