Finding the Fourth Proportional to 705,815.90, 974,032.11 and 383,525.99
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Solution
The fourth proportional to 705,815.90, 974,032.11 and 383,525.99 is: 529,269.22
Step by Step Solution
- Step 1: Write the proportion equation
705,815.90 : 974,032.11 = 383,525.99 : x - Step 2: Convert to fraction form
705,815.90/974,032.11 = 383,525.99/x - Step 3: Cross multiply
705,815.90x = 974,032.11 × 383,525.99 - Step 4: Simplify right side
705,815.90x = 373,566,627,361.91 - Step 5: Solve for x
x = 373,566,627,361.91/705,815.90 - Step 6: Final answer
x = 529,269.22
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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.