Finding the Fourth Proportional to 705,896.05, 974,135.71 and 383,605.42
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Solution
The fourth proportional to 705,896.05, 974,135.71 and 383,605.42 is: 529,375.02
Step by Step Solution
- Step 1: Write the proportion equation
705,896.05 : 974,135.71 = 383,605.42 : x - Step 2: Convert to fraction form
705,896.05/974,135.71 = 383,605.42/x - Step 3: Cross multiply
705,896.05x = 974,135.71 × 383,605.42 - Step 4: Simplify right side
705,896.05x = 373,683,734,777.20 - Step 5: Solve for x
x = 373,683,734,777.20/705,896.05 - Step 6: Final answer
x = 529,375.02
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1.5x scale
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.