Finding the Fourth Proportional to 705,813.89, 974,029.34 and 383,523.99
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Solution
The fourth proportional to 705,813.89, 974,029.34 and 383,523.99 is: 529,266.46
Step by Step Solution
- Step 1: Write the proportion equation
705,813.89 : 974,029.34 = 383,523.99 : x - Step 2: Convert to fraction form
705,813.89/974,029.34 = 383,523.99/x - Step 3: Cross multiply
705,813.89x = 974,029.34 × 383,523.99 - Step 4: Simplify right side
705,813.89x = 373,563,619,812.68 - Step 5: Solve for x
x = 373,563,619,812.68/705,813.89 - Step 6: Final answer
x = 529,266.46
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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.